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Small Beam Diameter Scanning Galvo Mirror Systems
Dual-Axis Motor/Mirror Assembly with Gold Mirrors
Galvo Scanning System
Mounting Adapters are Available that Allow Our Single- and Dual-Axis Galvo Mirror Systems to be Integrated with Thorlabs' Standard Optomechanics
These high-speed Scanning Galvanometer Mirror Positioning Systems are designed for integration into OEM or custom laser beam steering applications that utilize laser beams smaller than 5 mm in diameter. Each system includes a single- or dual-axis galvo motor and mirror assembly, associated driver card(s), and driver card heatsink(s). A low noise, linear power supply unit (item # prefix GPS011) and motor/mirror assembly heatsink (GHS003) are available separately. Upon initial setup of the system, a function generator or DAQ card will be needed for operating the servo drivers; see Chapters 3 and 4 in the manual for additional information.
The galvo scanners, power supply, and accessories can be purchased separately or as a complete bundle.
A range of mounting adapters is available to ease the integration of the single- and dual-axis galvo systems into optical systems. These include a 30 mm cage mount for a single-axis galvo mirror, a post and cage compatible mount for a dual-axis galvo mirror system, and adapter for the PY003 tip and tilt platform that is compatible with both single- and dual-axis galvo systems. An optional enclosure for the galvo driver card is also available.
Galvo Motor/Mirror Assembly
Due to the large angular acceleration of the rotation shaft, the size, shape and inertia of the mirrors become significant factors in the design of high performance galvo systems. Furthermore, the mirror must remain rigid (flat) even when subjected to large accelerations. All these factors have been precisely balanced in our galvo systems in order to match the characteristics of the galvo motor and maximize performance of the system.
The mirrors are available from stock with silver, gold, broadband or high power dual band coatings. Custom coatings (e.g., aluminum) are available on request. Please contact Tech Support for more details.
Scanning Galvo Mirror Assembly and Driver Board
Servo Driver Board (All Systems)
Closed-Loop Mirror Positioning
The systems can be driven to scan their full mechanical range of ±12.5° at a frequency of 100 Hz when using a square wave control input voltage or at 250 Hz when using a sine wave. For a single small-angle step of 0.2°, it takes the mirror 300 μs to come to rest at the command position. The scan frequency range is DC to 1 kHz and the angular resolution is 0.0008° (15 μrad).
Galvanometer System Specifications
Power Supply Specifications
When configuring and operating the galvo scanning system, use only the cables supplied. Do not extend the cables.The driver boards and motors are calibrated with these cables. Using different cables will affect the performance of the system. Custom longer cables are available, but the units will require re-calibration if these are not specified at time of order. Contact Tech Support for more details.
GVS Series Driver Connections
J10 Power Connector
J6 Diagnostics Connector
J9 Motor Connector
Galvo Assembly Motor Connector
|1||Motor + Coil
(Power Shield Floating)
|2||Motor - Coil
(Power Shield Floating)
|5||Position Sensor B Current|
|6||Position Sensor Ground|
|7||Position Sensor A Current|
|8||Position Sensor Power
(Automated Gain Control)
|9||Position Sensor Cable Shield|
|1||Command Input +ve|
|2||Command Input -ve|
|5||-12 V Output (low impedance O/P)|
|6||+12 V Output (low impedance O/P)|
Servo driver cards manufactured after October 2009 have a jumper which is used to set the Volts per Degree scaling factor. The cards are shipped with the scaling set to 1.0 V/°, where the max scan angle is 10°, and is compatible with driver cards manufactured before October 2009.
To set the maximum scan angle to ±12.5°, set the scaling factor to 0.8 V/° by placing a jumper across the pins as shown above. Similarly, the 0.5 V/° scaling factor is provided to allow the full scan angle to be achieved using small input signals. In this case, the input voltage should be limited to ±6.25 V max.
The drive electronics can be configured for external enabling by placing a jumper across pins 2 and 3 of JP4.
Once this has been done, the user can enable or disable the drive electronics by applying a 5 V CMOS signal to J7 pin 4.
If a logic high or no signal is applied, the drive electronics will be enabled. If a logic low signal is applied, then the driver will be disabled.
|1||Command Input +ve|
|2||Command Input -ve|
|5||-12 V Output|
|6||+12 V Output|
The curves below show the reflection data for the coated mirrors supplied with the GVS series galvo systems. The shaded regions denote the ranges over which we recommend using the respective coating. Please note that the reflectance outside of these bands is not as rigorously monitored in quality control, and can vary from lot to lot, especially in out-of-band regions where the reflectance is fluctuating or sloped.
Excel Spreadsheet with Raw Data for -K13 Dielectric Nd:YAG Laser Line Coating
|Damage Threshold Specifications|
|Item # Prefix||Damage Threshold|
|GVS00-||3 J/cm2 at 1064 nm, 10 ns|
|GVS10-||2 J/cm2 at 1064 nm, 10 ns|
|GVS20-||0.25 J/cm2 at 532 nm, 10 ns|
|GVS30-||5 J/cm2 at 1064 nm, 10 ns|
The specifications to the right are measured data for Thorlabs' small beam diameter scanning galvo mirror systems. Damage threshold specifications are constant for a given item number prefix, regardless of the number of drivers or measuring system.
The following is a general overview of how laser induced damage thresholds are measured and how the values may be utilized in determining the appropriateness of an optic for a given application. When choosing optics, it is important to understand the Laser Induced Damage Threshold (LIDT) of the optics being used. The LIDT for an optic greatly depends on the type of laser you are using. Continuous wave (CW) lasers typically cause damage from thermal effects (absorption either in the coating or in the substrate). Pulsed lasers, on the other hand, often strip electrons from the lattice structure of an optic before causing thermal damage. Note that the guideline presented here assumes room temperature operation and optics in new condition (i.e., within scratch-dig spec, surface free of contamination, etc.). Because dust or other particles on the surface of an optic can cause damage at lower thresholds, we recommend keeping surfaces clean and free of debris. For more information on cleaning optics, please see our Optics Cleaning tutorial.
Thorlabs' LIDT testing is done in compliance with ISO/DIS 11254 and ISO 21254 specifications.
First, a low-power/energy beam is directed to the optic under test. The optic is exposed in 10 locations to this laser beam for 30 seconds (CW) or for a number of pulses (pulse repetition frequency specified). After exposure, the optic is examined by a microscope (~100X magnification) for any visible damage. The number of locations that are damaged at a particular power/energy level is recorded. Next, the power/energy is either increased or decreased and the optic is exposed at 10 new locations. This process is repeated until damage is observed. The damage threshold is then assigned to be the highest power/energy that the optic can withstand without causing damage. A histogram such as that below represents the testing of one BB1-E02 mirror.
|Example Test Data|
|Fluence||# of Tested Locations||Locations with Damage||Locations Without Damage|
According to the test, the damage threshold of the mirror was 2.00 J/cm2 (532 nm, 10 ns pulse, 10 Hz, Ø0.803 mm). Please keep in mind that these tests are performed on clean optics, as dirt and contamination can significantly lower the damage threshold of a component. While the test results are only representative of one coating run, Thorlabs specifies damage threshold values that account for coating variances.
When an optic is damaged by a continuous wave (CW) laser, it is usually due to the melting of the surface as a result of absorbing the laser's energy or damage to the optical coating (antireflection) . Pulsed lasers with pulse lengths longer than 1 µs can be treated as CW lasers for LIDT discussions.
When pulse lengths are between 1 ns and 1 µs, laser-induced damage can occur either because of absorption or a dielectric breakdown (therefore, a user must check both CW and pulsed LIDT). Absorption is either due to an intrinsic property of the optic or due to surface irregularities; thus LIDT values are only valid for optics meeting or exceeding the surface quality specifications given by a manufacturer. While many optics can handle high power CW lasers, cemented (e.g., achromatic doublets) or highly absorptive (e.g., ND filters) optics tend to have lower CW damage thresholds. These lower thresholds are due to absorption or scattering in the cement or metal coating.
Pulsed lasers with high pulse repetition frequencies (PRF) may behave similarly to CW beams. Unfortunately, this is highly dependent on factors such as absorption and thermal diffusivity, so there is no reliable method for determining when a high PRF laser will damage an optic due to thermal effects. For beams with a high PRF both the average and peak powers must be compared to the equivalent CW power. Additionally, for highly transparent materials, there is little to no drop in the LIDT with increasing PRF.
In order to use the specified CW damage threshold of an optic, it is necessary to know the following:
Thorlabs expresses LIDT for CW lasers as a linear power density measured in W/cm. In this regime, the LIDT given as a linear power density can be applied to any beam diameter; one does not need to compute an adjusted LIDT to adjust for changes in spot size, as demonstrated by the graph to the right. Average linear power density can be calculated using the equation below.
The calculation above assumes a uniform beam intensity profile. You must now consider hotspots in the beam or other non-uniform intensity profiles and roughly calculate a maximum power density. For reference, a Gaussian beam typically has a maximum power density that is twice that of the uniform beam (see lower right).
Now compare the maximum power density to that which is specified as the LIDT for the optic. If the optic was tested at a wavelength other than your operating wavelength, the damage threshold must be scaled appropriately. A good rule of thumb is that the damage threshold has a linear relationship with wavelength such that as you move to shorter wavelengths, the damage threshold decreases (i.e., a LIDT of 10 W/cm at 1310 nm scales to 5 W/cm at 655 nm):
While this rule of thumb provides a general trend, it is not a quantitative analysis of LIDT vs wavelength. In CW applications, for instance, damage scales more strongly with absorption in the coating and substrate, which does not necessarily scale well with wavelength. While the above procedure provides a good rule of thumb for LIDT values, please contact Tech Support if your wavelength is different from the specified LIDT wavelength. If your power density is less than the adjusted LIDT of the optic, then the optic should work for your application.
Please note that we have a buffer built in between the specified damage thresholds online and the tests which we have done, which accommodates variation between batches. Upon request, we can provide individual test information and a testing certificate. The damage analysis will be carried out on a similar optic (customer's optic will not be damaged). Testing may result in additional costs or lead times. Contact Tech Support for more information.
As previously stated, pulsed lasers typically induce a different type of damage to the optic than CW lasers. Pulsed lasers often do not heat the optic enough to damage it; instead, pulsed lasers produce strong electric fields capable of inducing dielectric breakdown in the material. Unfortunately, it can be very difficult to compare the LIDT specification of an optic to your laser. There are multiple regimes in which a pulsed laser can damage an optic and this is based on the laser's pulse length. The highlighted columns in the table below outline the relevant pulse lengths for our specified LIDT values.
Pulses shorter than 10-9 s cannot be compared to our specified LIDT values with much reliability. In this ultra-short-pulse regime various mechanics, such as multiphoton-avalanche ionization, take over as the predominate damage mechanism . In contrast, pulses between 10-7 s and 10-4 s may cause damage to an optic either because of dielectric breakdown or thermal effects. This means that both CW and pulsed damage thresholds must be compared to the laser beam to determine whether the optic is suitable for your application.
|Pulse Duration||t < 10-9 s||10-9 < t < 10-7 s||10-7 < t < 10-4 s||t > 10-4 s|
|Damage Mechanism||Avalanche Ionization||Dielectric Breakdown||Dielectric Breakdown or Thermal||Thermal|
|Relevant Damage Specification||No Comparison (See Above)||Pulsed||Pulsed and CW||CW|
When comparing an LIDT specified for a pulsed laser to your laser, it is essential to know the following:
The energy density of your beam should be calculated in terms of J/cm2. The graph to the right shows why expressing the LIDT as an energy density provides the best metric for short pulse sources. In this regime, the LIDT given as an energy density can be applied to any beam diameter; one does not need to compute an adjusted LIDT to adjust for changes in spot size. This calculation assumes a uniform beam intensity profile. You must now adjust this energy density to account for hotspots or other nonuniform intensity profiles and roughly calculate a maximum energy density. For reference a Gaussian beam typically has a maximum energy density that is twice that of the 1/e2 beam.
Now compare the maximum energy density to that which is specified as the LIDT for the optic. If the optic was tested at a wavelength other than your operating wavelength, the damage threshold must be scaled appropriately . A good rule of thumb is that the damage threshold has an inverse square root relationship with wavelength such that as you move to shorter wavelengths, the damage threshold decreases (i.e., a LIDT of 1 J/cm2 at 1064 nm scales to 0.7 J/cm2 at 532 nm):
You now have a wavelength-adjusted energy density, which you will use in the following step.
Beam diameter is also important to know when comparing damage thresholds. While the LIDT, when expressed in units of J/cm², scales independently of spot size; large beam sizes are more likely to illuminate a larger number of defects which can lead to greater variances in the LIDT . For data presented here, a <1 mm beam size was used to measure the LIDT. For beams sizes greater than 5 mm, the LIDT (J/cm2) will not scale independently of beam diameter due to the larger size beam exposing more defects.
The pulse length must now be compensated for. The longer the pulse duration, the more energy the optic can handle. For pulse widths between 1 - 100 ns, an approximation is as follows:
Use this formula to calculate the Adjusted LIDT for an optic based on your pulse length. If your maximum energy density is less than this adjusted LIDT maximum energy density, then the optic should be suitable for your application. Keep in mind that this calculation is only used for pulses between 10-9 s and 10-7 s. For pulses between 10-7 s and 10-4 s, the CW LIDT must also be checked before deeming the optic appropriate for your application.
Please note that we have a buffer built in between the specified damage thresholds online and the tests which we have done, which accommodates variation between batches. Upon request, we can provide individual test information and a testing certificate. Contact Tech Support for more information.
 R. M. Wood, Optics and Laser Tech. 29, 517 (1998).
 Roger M. Wood, Laser-Induced Damage of Optical Materials (Institute of Physics Publishing, Philadelphia, PA, 2003).
 C. W. Carr et al., Phys. Rev. Lett. 91, 127402 (2003).
 N. Bloembergen, Appl. Opt. 12, 661 (1973).
In order to illustrate the process of determining whether a given laser system will damage an optic, a number of example calculations of laser induced damage threshold are given below. For assistance with performing similar calculations, we provide a spreadsheet calculator that can be downloaded by clicking the button to the right. To use the calculator, enter the specified LIDT value of the optic under consideration and the relevant parameters of your laser system in the green boxes. The spreadsheet will then calculate a linear power density for CW and pulsed systems, as well as an energy density value for pulsed systems. These values are used to calculate adjusted, scaled LIDT values for the optics based on accepted scaling laws. This calculator assumes a Gaussian beam profile, so a correction factor must be introduced for other beam shapes (uniform, etc.). The LIDT scaling laws are determined from empirical relationships; their accuracy is not guaranteed. Remember that absorption by optics or coatings can significantly reduce LIDT in some spectral regions. These LIDT values are not valid for ultrashort pulses less than one nanosecond in duration.
CW Laser Example
Suppose that a CW laser system at 1319 nm produces a 0.5 W Gaussian beam that has a 1/e2 diameter of 10 mm. A naive calculation of the average linear power density of this beam would yield a value of 0.5 W/cm, given by the total power divided by the beam diameter:
However, the maximum power density of a Gaussian beam is about twice the maximum power density of a uniform beam, as shown in the graph to the right. Therefore, a more accurate determination of the maximum linear power density of the system is 1 W/cm.
An AC127-030-C achromatic doublet lens has a specified CW LIDT of 350 W/cm, as tested at 1550 nm. CW damage threshold values typically scale directly with the wavelength of the laser source, so this yields an adjusted LIDT value:
The adjusted LIDT value of 350 W/cm x (1319 nm / 1550 nm) = 298 W/cm is significantly higher than the calculated maximum linear power density of the laser system, so it would be safe to use this doublet lens for this application.
Pulsed Nanosecond Laser Example: Scaling for Different Pulse Durations
Suppose that a pulsed Nd:YAG laser system is frequency tripled to produce a 10 Hz output, consisting of 2 ns output pulses at 355 nm, each with 1 J of energy, in a Gaussian beam with a 1.9 cm beam diameter (1/e2). The average energy density of each pulse is found by dividing the pulse energy by the beam area:
As described above, the maximum energy density of a Gaussian beam is about twice the average energy density. So, the maximum energy density of this beam is ~0.7 J/cm2.
The energy density of the beam can be compared to the LIDT values of 1 J/cm2 and 3.5 J/cm2 for a BB1-E01 broadband dielectric mirror and an NB1-K08 Nd:YAG laser line mirror, respectively. Both of these LIDT values, while measured at 355 nm, were determined with a 10 ns pulsed laser at 10 Hz. Therefore, an adjustment must be applied for the shorter pulse duration of the system under consideration. As described on the previous tab, LIDT values in the nanosecond pulse regime scale with the square root of the laser pulse duration:
This adjustment factor results in LIDT values of 0.45 J/cm2 for the BB1-E01 broadband mirror and 1.6 J/cm2 for the Nd:YAG laser line mirror, which are to be compared with the 0.7 J/cm2 maximum energy density of the beam. While the broadband mirror would likely be damaged by the laser, the more specialized laser line mirror is appropriate for use with this system.
Pulsed Nanosecond Laser Example: Scaling for Different Wavelengths
Suppose that a pulsed laser system emits 10 ns pulses at 2.5 Hz, each with 100 mJ of energy at 1064 nm in a 16 mm diameter beam (1/e2) that must be attenuated with a neutral density filter. For a Gaussian output, these specifications result in a maximum energy density of 0.1 J/cm2. The damage threshold of an NDUV10A Ø25 mm, OD 1.0, reflective neutral density filter is 0.05 J/cm2 for 10 ns pulses at 355 nm, while the damage threshold of the similar NE10A absorptive filter is 10 J/cm2 for 10 ns pulses at 532 nm. As described on the previous tab, the LIDT value of an optic scales with the square root of the wavelength in the nanosecond pulse regime:
This scaling gives adjusted LIDT values of 0.08 J/cm2 for the reflective filter and 14 J/cm2 for the absorptive filter. In this case, the absorptive filter is the best choice in order to avoid optical damage.
Pulsed Microsecond Laser Example
Consider a laser system that produces 1 µs pulses, each containing 150 µJ of energy at a repetition rate of 50 kHz, resulting in a relatively high duty cycle of 5%. This system falls somewhere between the regimes of CW and pulsed laser induced damage, and could potentially damage an optic by mechanisms associated with either regime. As a result, both CW and pulsed LIDT values must be compared to the properties of the laser system to ensure safe operation.
If this relatively long-pulse laser emits a Gaussian 12.7 mm diameter beam (1/e2) at 980 nm, then the resulting output has a linear power density of 5.9 W/cm and an energy density of 1.2 x 10-4 J/cm2 per pulse. This can be compared to the LIDT values for a WPQ10E-980 polymer zero-order quarter-wave plate, which are 5 W/cm for CW radiation at 810 nm and 5 J/cm2 for a 10 ns pulse at 810 nm. As before, the CW LIDT of the optic scales linearly with the laser wavelength, resulting in an adjusted CW value of 6 W/cm at 980 nm. On the other hand, the pulsed LIDT scales with the square root of the laser wavelength and the square root of the pulse duration, resulting in an adjusted value of 55 J/cm2 for a 1 µs pulse at 980 nm. The pulsed LIDT of the optic is significantly greater than the energy density of the laser pulse, so individual pulses will not damage the wave plate. However, the large average linear power density of the laser system may cause thermal damage to the optic, much like a high-power CW beam.
Thorlabs Scanning Galvo Mirror Systems are available in single and dual axis configurations for small (<5 mm) beam applications. A choice of mirror coatings is available as described above. Each 1D system includes one driver card, one driver card heat sink, and one single mirror system. Each 2D system includes two driver cards, two driver card heatsinks, and a dual mirror system. These galvo systems do not include a power supply, driver card cover, or galvo mirror heatsink, which are highly recommended for demanding applications where vigorous scanning and stability are required. These accessories can be purchased together with the GVS001 or GVS002 as part of the GVSM001 or GVSM002 complete packages, sold below, or as individual items, also sold below.
|Item #||Included Components|
|Galvo System||Power Supply||Heatsink/Post Adapter||Driver Card Cover|
The GVSM001 and GVSM002 Galvo Mirror System Packages are complete kits for operating 1D and 2D, scanning mirror systems for small diameter beams. These closed-loop systems are ideal for raster and vector scanning applications as well as some step-and-hold applications. The GVSM001 and GVSM002 packages include the GVS001 and GVS002 silver coated mirror systems, respectively, together with the GPS011-xx linear power supply, a GHS003(/M) post mounting adapter and a GCE001 cover for the servo driver boards. Other coatings (e.g. gold or broadband) are available on request; please contact Tech Support for more details.
The GPS011-xx power supply and GHS003(/M) mirror heatsink, included in these packages, are highly recommended for rapid scanning and the most demanding applications where power supply stability and heat dissipation are needed. The power supply can power two 1D scanning mirrors or one 2D scanning mirror assembly.
These power supplies are low noise, linear supplies designed to minimize electrical interference for maximum system resolution. They deliver ±15 VDC at 3 A and are configured to accept a mains voltage of 115 VAC (for GPS011-US) or 230 VAC (for GPS011-EC). Each power supply is compatible with all of our galvo systems and can power two server driver cards simultaneously. Two 2 m (6.5') power cables are included.
As an alternative, a standard switching mode power supply may be used for low demand applications.
The GCE001 is a convenient enclosure for servo driver cards. Simply bolt it onto the servo driver bracket using the M3 screws and hex key supplied.
Note: This item is not compatible with early models of the servo driver card. Contact Tech Support for more details.
The GHS003 galvo mirror heatsink attaches directly to the single-axis and dual-axis mirror mounts to provide device cooling and alternate mounting options. Mounting screws are supplied with the unit.
Heat from the galvo mirrors is typically dissipated through the normal mounting options. However, applications involving rapidly changing drive signals can create excess heat buildup, causing the galvo motor to fail or driver board thermal cutout to trip. If the cutout occurs repeatedly, we recommend using the GHS003 Heatsink. The heatsink also serves as a post adapter, allowing the galvo mirror assembly to be mounted on our Ø1/2" 8-32 (M4) threaded posts.
The GCM001 Cage System Adapter is used to mount the GVSX01 single-axis galvo systems into a 30 mm cage system. The adapter also features four SM1 threads and an open bottom for further mounting options.
Note: The input and output are on the same plane.
Thorlabs' GCM102(/M) is designed to securely mount any dual-axis, small beam diameter galvo mirror system. Once installed in the mount, the galvo system can be attached to a post, 30 mm cage system, or 66 mm optical rail carriage, as shown in the images below.
The mount features an internally SM2-threaded (2.035"-40) output port that, when used with the proper adapter, allows any of our scan lenses to be attached at the proper scan distance from the galvo mirrors; see the compatibility table below for more details. The input port is both internally SM05- (0.535"-40) and SM1-threaded (1.035"-40) for direct compatibility with Ø1/2" and Ø1" lens tubes. Additionally, four 4-40 tapped holes centered around the input port provide compatibility with 30 mm cage systems. When each port is used in combination with our lens tubes, port plugs, and/or scan lenses, the system will be light tight. The input and output ports are centered around the X- and Y-axis galvo mirrors, respectively; please note that they are in different planes.
The bottom of the mount includes two 1/4"-20 (M6), three 8-32 (M4), and two 4-40 (M3) tapped mounting holes. Each mounting hole is aligned for compatibility with our C1511 (C1511/M) and C1545 (C1545/M) post clamp adapters; Ø1/2", Ø1", and Ø1.5" mounting posts; and XT66P2 (XT66P2/M) and XT66RC rail carriages, as shown in the images below. Please see section 3.3 of the manual for more details about the various mounting options available.
The X- and Y-axis galvo mirrors are mounted using the two through holes in the side and rear of the unit. A flexure clamp that is actuated using the included 5/64" (3 mm) hex key secures each galvo mirror in place. An SM05-threaded viewing port is provided above the mirrors to assist in installation, while two 1/4"-20 (M6) through tapped holes provide access to each flexure clamp. The SM05 port and 1/4"-20 (M6) through tapped holes, which are located on the top of the GCM102, are blocked using an SM05PL plug or a 1/4"-20 (M6) setscrew, respectively, so that the system can remain light tight. For step-by-step instruction on how to install the galvo mirror please see section 3.1 of the manual.
|Scan Lens Compatibilitya|
|Item #||Scanning Distanceb||Lens Mounting Thread||Required Adapterb|
|LSM02(-BB)||16.1 mm ± 5 mm||External M25 x 0.75||GCMA1|
||17.5 mm ± 7.3 mm||SM2A33|
|LSM03(-BB)||18.9 mm ± 5 mm||GCMA1c|
|LSM03-VIS||29.0 mm ± 5 mm||SM2A33 and SM2L03|
|SL50-CLS2||37.8 ± 4 mm||External SM30
(M30.5 x 0.5)
|SM2A11 and SM2V05|
|LSM05(-BB)||75.5 mm ± 5 mm||External SM2 (2.035"-40)||SM2L20|
|CLS-SL||58 ± 6 mm||SM2L05 and SM2V05|
The GTT001 Tip and Tilt Platform Adapter allows the GVSX01 and GVSX02 Galvo Systems to be mounted on a PY003 Tip and Tilt Platform.