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Optical Delay Lines


  • Sub-Femtosecond Resolution with up to 4000 ps Optical Delay
  • Internal and External Triggering Modes
  • High-Speed DC Servo Delay Stages Capable of up to 400 mm/s
  • Includes Low-Dispersion Silver-Coated Optics

ODL100

≤666 ps Optical Delay,
3.3 fs Delay Steps,
KBD101 Kinesis Controller Included

ODL300

≤2000 ps Optical Delay,
0.67 fs Delay Steps,
BBD201 Benchtop Controller Included

Related Items


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Optical Delay Line Drawing
Click to Enlarge

Schematic of Optical Delay Line
(Breadboard Sold Separately)

Applications

  • Pulsed Pump-Probe Experiments
  • Autocorrelations, Cross Correlations, and Optical Sampling
  • Pulse Synchronization
  • Wavemeters and Other Interferometric Sensors

Features

  • Optical Delays up to 666 ps, 1466 ps, 2000 ps, or 4000 ps
  • Minimum Delay Shift:
    • 3.3 fs (ODL100)
    • 0.67 fs (ODL220, ODL300, and ODL600)
  • Computer Controlled via ODL Software (Included)
  • Triggering Modes for Forward and Reverse Scans:
    • Internally Triggered Step Scan
    • Externally Triggered Step Scan
    • Externally Triggered Scan

Thorlabs' Free-Space Optical Delay Lines (ODL) enable computer-controlled variation of the optical path length. Each system includes a DC servo stage, controller, and retroreflector optics with mounts. Each system also includes two drop-in irises with four mounting positions for alignment (see diagram to the right). Our UM10-AG Ultrafast-Enhanced Silver Mirrors and MRAK25-P01 Protected Silver Knife-Edge Right-Angle Prism Mirror provide high reflectance in the 750 - 1000 nm spectral range and minimal group delay dispersion (see the Graphs tab), making these systems well suited for use with femtosecond pulsed lasers.

If your application would benefit from other low GDD mirrors, please contact Technical Support to discuss the various options.

System Features
These compact systems are easily assembled and can be aligned using the included irises. As shown in the diagram to the right, the beam is steered at right angles by the right-angle prism mirror and the V-block, minimizing necessary alignment. Two SM05D5D irises mounted on twin steel dowel pins are provided; these pins are compatible with our FiberBench optic mounts and allow the irises to be quickly inserted and removed at four positions: two on the moving carriage and two adjacent to the right-angle prism, as shown in the photos below. The knife-edge prism mirror mount attaches to the end of the translation stage and can be repeatably removed and replaced if the user wishes to bypass the optical delay line, as shown in the photo below.

DC Servo Linear Translation Stages
Thorlabs' DC Servo Stages feature long travel ranges and can be driven at high speeds compared to stepper motor stages. This makes our ODL systems ideal for for high repetition rate experiments. High-speed scans can also be used to minimize the effects of slow changes in a system (such as thermal drifts) on experimental data.

Each stage uses direct drive technology that eliminates the need for a lead screw, enabling backlash-free operation. The absolute position of the stage is determined using a high-resolution, closed-loop optical feedback signal that provides superior bidirectional repeatability (please refer to the Specs tab for more information). Each stage also features a precision-grooved linear bearing that provides superior linearity and on-axis accuracy, making it well suited for a delay line setup.

Please note that when no power is applied, the stage platform can be moved manually, which may make these systems unsuitable for applications where the stage needs to remain in place when power is lost.

Accessories
For input and output beam alignment, we offer standard kinematic mounts and low drift Polaris® mounts (sold separately). Also, our periscope kit (sold separately) can be used to lower the beam height down to match our delay stages.

V-Block with Iris
Click to Enlarge

Mount for Right-Angle Prism Mirror with Two Iris Locations
Right-Angle Prism Mirror Mount
Click to Enlarge

Prism Mirror Mount is Easily Installed and Removed using Three 8-32 (M4) Cap Screws
Controller Interface
Click to Enlarge

GUI Initiates Scans and Controls Stage Position
(See the Software Tab for More Details)
V-Block
Click to Enlarge

90° V-Block with Kinematic Retroreflector Mirror Mounts
V-Block with Iris
Click to Enlarge

V-Block Also Includes Two Iris Locations

ODL100(/M)

Specifications
Item # ODL100(/M)
Optical Delay Specifications
Maximum Optical Delay 666.6 ps
Inherent Delay @ 0 mm 507 ps
Minimum Delay Shifta 3.3 fs
Beam Height 2.36" (60.0 mm)
Key Specifications of Translation Stageb
Translation Stage Item # DDSM100(/M)c
Travel Range 100 mm (3.9")
Velocity (Max) 500 mm/s
Acceleration (Max) 5000 mm/s2
Bidirectional Repeatability ±1.5 µm
Minimum Incremental Movement 500 nm
Absolute On-Axis Accuracy ±5.0 µm
Pitch ±175 µrad
Yaw ±175 µrad
Bearing Type High Rigidity, Recirculating,
Precision Linear Bearings
Motor Type Brushless DC Linear Motor
Dimensions 195 mm x 57 mm x 35 mm
(7.68" x 2.24" x 1.38")
Weight 0.72 kg (1.6 lbs)
  • Based on the minimum incremental motion of the stage.
  • Each ODL100(/M) system also includes a KBD101 controller and KPS101 power supply.
  • Additional information on the DDSM100(/M) stage is available here.
List of Included Parts
Item # Quantity Description
DDSM100
(DDSM100/M)
1 Linear Translation Stage
KBD101 1 K-Cube™ Brushless DC Servo Controller
KPS101 1 Power Supply for KBD101 Controller
UM10-AG 2 Ø1" Ultrafast-Enhanced Silver Mirror
for 750 - 1000 nm
MRAK25-P01 1 1" Protected Silver Knife-Edge
Right-Angle Prism Mirror
MH25 2 Mirror Holder for Ø1" Optics
SM05D5D 2 Ring-Actuated Iris,
Ø0.7 mm - Ø5.0 mm Beam Size
FT-SM05 2 FiberBench Optic Mount
DDSMA1 1 Left Mounting Plate for DDSM100(/M)
N/A 1 Prism Mirror Mount
N/A 1 Pre-Aligned V-Block
Key Specifications of KBD101 Controllera
Control Algorithm 16-Bit Digital PID Servo Loop with
Velocity and Acceleration Feedforward
Velocity Profile Trapezoidal/S-Curve
Position Feedback Incremental Encoder
Encoder Bandwidth 2.5 MHz (10 M Counts/s)
Input Voltage 14.5 - 15.5 V Regulated DC
Input Current 2 A (Peak)
Dimensions 60 mm x 60 mm x 49.2 mm
(2.4" x 2.4" x 1.94")
  • Additional information on the KBD101 controller is available here.

 

ODL220(/M), ODL300(/M), and ODL600(/M)

Specifications
Item # ODL220(/M) ODL300(/M) ODL600(/M)
Optical Delay Specifications
Maximum Optical Delay 1466 ps 2000 ps 4000 ps
Inherent Delay @ 0 mm 507 ps 607 ps 607 ps
Minimum Delay Shifta 0.67 fs 0.67 fs 0.67 fs
Beam Height 3.22" (81.7 mm) 3.45" (87.7 mm) 3.45" (87.7 mm)
Key Specifications of Translation Stageb
Translation Stage Item # DDS220(/M)c DDS300-E(/M)d DDS600-E(/M)e
Travel Range 220 mm (8.6") 300 mm (11.81") 600 mm (23.6")
Velocity (Max) 300 mm/s 400 mm/s 400 mm/s
Acceleration (Max) 5 000 mm/s2 10 000 mm/s2 10 000 mm/s2
Bidirectional
Repeatability
±0.25 µm ±0.25 µm ±0.25 µm
Minimum Incremental
Movement
0.1 µm 0.1 µm 0.1 µm
Absolute On-Axis
Accuracy
±2.0 µm ±7.5 µm ±12.0 µm
Pitchf ±175 µrad ±100 µrad ±150 µrad
Yawf ±175 µrad ±150 µrad ±300 µrad
Bearing Type Precision Linear Bearing High Rigidity, Recirculating, Precision Linear Bearings
Motor Type Brushless DC Linear Motor
Dimensions 370.0 mm x 90.0 mm x 44.0 mm
(14.57" x 3.54" x 1.73")
500 mm x 130 mm x 50 mm
(19.69" x 5.12" x 1.97")
800 mm x 130 mm x 50 mm
(31.5" x 5.12" x 1.97")
Weight 2.4 kg (5.3 lbs) 5.9 kg (12.98 lbs) 9.125 kg (20.0 lbs)
  • Based on minimum incremental motion of the stage.
  • Each system also includes one BBD201 controller.
  • Additional information on the DDS220(/M) stage is available here.
  • Additional information on the DDS300-E(/M) stage with controller is available here.
  • Additional information on the DDS600-E(/M) stage with controller is available here.
  • Pitch and yaw are measured by moving the stage over its full travel range and taking an angular robust laser interferometry (RLI) measurement at 20 equidistant points along the travel. This is repeated 10 times and the maximum discrepancy between minimum and maximum value in the pitch and yaw directions is taken.
List of Included Parts
Item # Quantity Description
(See
Footnote a)
1 Linear Translation Stage
BBD201 1 1-Channel Brushless
DC Servo Controller
UM10-AG 2 Ø1" Ultrafast-Enhanced Silver Mirror
for 750 - 1000 nm
MRAK25-P01 1 1" Protected Silver Knife-Edge
Right-Angle Prism Mirror
MH25 2 Mirror Holder for Ø1" Optics
SM05D5D 2 Lever-Actuated Iris,
Ø0.7 mm - Ø5.0 mm Beam Size
FT-SM05 2 FiberBench Optic Mount
N/A 1 Mounting Plates for Translation Stage
N/A 1 Prism Mirror Mount
N/A 1 Pre-Aligned V-Block
  • Please refer to the table to the left for the translation stage item #.


Key Specifications of BBD201 Controllera
Control Algorithm 16-Bit Digital PID Servo Loop with
Velocity and Acceleration Feedforward
Velocity Profile Trapezoidal/S-Curve
Position Feedback Incremental Encoder
Encoder Bandwidth 2.5 MHz (10 M Counts/s)
Input Power Requirements 250 VA
Voltage: 100 to 264 VAC
Frequency: 47 to 63 Hz
Fuse: 3.15 A
Dimensions 173 mm x 254 mm x 126 mm
(6.82" x 10.01" x 4.95")
  • Additional information on the BBD201 controller is available here.

Each optical delay line kit includes four UM10-AG Ultrafast-Enhanced Silver Mirrors and one MRAK25-P01 Protected Silver Knife-Edge Right-Angle Prism Mirror. If your application would benefit from other low GDD mirrors, please contact Technical Support to discuss the various options.

 

Low GDD Mirrors (UM10-AG)

The UM10-AG is specifically designed for use with femtosecond Ti:Sapphire lasers. In the 750 - 1000 nm wavelength range, it provides R> 99.0%, R> 98.5%, |GDD| <20 fs2 for S-polarized light, and |GDD| <30 fs2 for P-polarized light.

The graphs below represent the measured reflectance and theoretically calculated group delay dispersion (GDD) of the ultrafast-enhanced silver coating. The shaded regions denote the wavelength range over which we guarantee the mirrors will meet the specifications stated above. Performance outside the shaded regions will vary from lot to lot and is not guaranteed.

Enhanced Silver Reflectance
Click to Enlarge

Click for Raw Data from 650 - 1100 nm
Enhanced Silver GDD
Click to Enlarge

Click for Raw Data from 650 - 1100 nm

 

Protected Silver Knife-Edge Right-Angle Prism Mirror (MRAK25-P01)

Protected Silver at 45 Degree Incident Angle
Click to Enlarge
Excel Spreadsheet with Raw Data for Protected Silver

The protected silver coating on the MRAK25-P01 provides >96% average reflectance from 450 nm to 20 µm. While a bare silver coating has almost no dispersion, some silver mirrors do feature a dielectric coating, which can increase the dispersion, especially when the dielectric coating is used to enhance spectral features. Our protected silver mirrors feature a dielectric coating for protection of the fragile silver coating, and this coating has only a negligible effect on the dispersion.

The shaded region in the graph denotes the range over which we recommend using this mirror. Please note that the reflectance outside of this band 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.

Custom GUI Software for Optical Delay Control

Thorlabs' ODL software includes a GUI for reading and controlling the stage position, speed, and acceleration, as well as executing scan sequences. It accepts input in units of millimeters or picoseconds and can perform relative or absolute stage movements. Scans at discrete steps over a user-defined range can be initiated from the software or by using an external trigger signal supplied to the motor controller. Please note that triggering is not available for our previous-generation ODL100-FS(/M) Optical Delay Line Kit.

Optical Delay Line Software

Version 1.0.10

Includes a GUI for control of Thorlabs' Optical Delay Lines.

Software Download

Posted Comments:
user  (posted 2019-05-20 09:53:38.703)
驱动软件存在问题:当使用pSec单位调节延迟线时,输入特定的数值(pSec),点击"move"之后,延迟线就自动回到“零”位置,所以只能通过精度更差的mm单位调节延迟线。
asundararaj  (posted 2019-05-21 12:14:12.0)
Thank you for contacting Thorlabs. Our Technical Support Team in China will reach out to you directly to troubleshoot your issues with the ODL move command.
simon.neves  (posted 2018-10-11 11:39:13.607)
Hello, Would this be possible to purchase this product with dieletric mirrors and knife-edge, coated for 1550nm, instead of the silver-coated mirrors ?
nbayconich  (posted 2018-10-11 04:53:11.0)
Thank you for contacting Thorlabs. I'll reach out to you directly to discuss your application and our custom capabilities.
jys2316  (posted 2018-09-16 22:33:12.337)
Are there any labview vi files to control this stage? I cannot find it. Thanks
nbayconich  (posted 2018-09-19 03:00:45.0)
Thank you for contacting Thorlabs. The current ODL software does not interface with labview, however you can use our APT or Kinesis motion control software to communicate with the BBD201 controller included in the kit. Please see our APT and Kinesis motion control software tutorials located in the links below for step by step guides on how to interface with labview. APT https://www.thorlabs.com/newgrouppage9.cfm?objectgroup_id=8348 Kinesis https://www.thorlabs.com/newgrouppage9.cfm?objectgroup_id=10285 Several sample labview .vi's can be downloaded directly from the links above.
tpengineeringservices  (posted 2018-06-06 13:38:18.66)
I would like to purchase the V block only for a 1" mirror mount (I have mirrors). I emailed techsupport, but haven't heard back from anyone. Thanks
llamb  (posted 2018-06-08 05:05:35.0)
Hello, thank you for contacting Thorlabs and I apologize for the delay in response. We try and contact customers for new email requests within 24 hours. I see that you were already contacted on June 7th by a member of Tech Support regarding this request, as we can indeed offer the V-block assembly as a custom product. Any further customization or quotes will be handled by email.
lebouquj  (posted 2017-10-17 17:27:07.897)
I am not sure to understand why the pitch and yaw have similar value. The 90deg V-Block shall cancel most of the yaw, isn't it? Am I wrong? Thanks.
tfrisch  (posted 2017-10-17 03:50:41.0)
Hello, thank you for contacting Thorlabs. The pitch and yaw specs listed are for the DDSM100 stage, not the beam itself. I will reach out to you directly to discuss this.
james.david.good  (posted 2017-05-23 15:35:51.627)
Hi, are there any figures of merit on the pitch and yaw variance of the stages? I've found the compact motorized stages to be unsuitable for measurements owing to this fact.
bwood  (posted 2017-07-18 05:09:59.0)
Response from Ben at Thorlabs: Thank you for your feedback. The pitch and yaw of the stages used in these kits can be found on the "Specs" tab of this webpage. All of our specifications are based on experimental data, and if you would like to discuss this data further, please feel free to contact me at techsupport.uk@thorlabs.com
chiwon.lee  (posted 2016-10-05 08:34:08.86)
Hello, I'm using the 220 mm delay line stage, and want to purchase the "V-block" system, separately. Could you please contact me?
jlow  (posted 2016-10-05 02:15:51.0)
Response from Jeremy at Thorlabs: Yes we can provide this separately. I will contact you about the quote. You can also request a quote by emailing us at techsupport@thorlabs.com.
user  (posted 2016-09-23 14:09:38.907)
Optical height is 2.4"/60mm. However 2.4 inch is converted to 61mm. On the other hand minimum aperturesize is 0.07mm. 60mm or 61mm is big difference against the 0.07mm. What would be correct information?
jlow  (posted 2016-09-27 02:04:30.0)
Response from Jeremy at Thorlabs: Thank you for pointing out the optical height issue. The measurement from the center of the iris on the stage (beam center), perpendicular to the breadboard or table, is 2.554” (64.87mm). We will be updating this on the web and manual.
philipp.kucirek  (posted 2016-01-26 13:59:38.647)
Hi, is it possible to purchase the "Mount for Right-Angle Prism Mirror with Irises" and the "V-Block" of the ODL100-FS/M separately? Thanks and regards
besembeson  (posted 2016-02-01 10:53:21.0)
Response from Bweh at Thorlabs USA: Yes this is possible.

666 ps Optical Delay Line with Compact Kinesis® Controller


Click to Enlarge

KBD101 Controller Included
Key Specsa
Item # ODL100(/M)
Optical Delay (Max) 666 ps
Minimum Delay Shift 3.3 fs
Translation Stage Item # DDSM100(/M)
Stage Velocity 500 mm/s
Absolute
On-Axis Accuracy
±5.0 µm
  • For complete specifications, please refer to the Specs tab.
  • System Includes:
    • DDSM100(/M) 100 mm Travel DC Servo Linear Translation Stage
    • KBD101 Compact Kinesis Controller
    • Mirrors and Knife-Edge Prism
    • Stage Adapters and Optic Mounts
    • Refer to Specs Tab for Complete Kit Contents

The ODL100(/M) Optical Delay Line offers up to 666 ps of optical delay and includes a 100 mm translation stage, a compact DC servo stage controller, optics, and mounting hardware. A knife-edge prism at one end of the translation stage reflects the beam towards two V-block-mounted mirrors on the translating platform.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Imperial Price Available
ODL100 Support Documentation
ODL100Free-Space Optical Delay Line, 666 ps Delay, 100 mm Travel, Imperial
$4,377.50
Today
+1 Qty Docs Part Number - Metric Price Available
ODL100/M Support Documentation
ODL100/MFree-Space Optical Delay Line, 666 ps Delay, 100 mm Travel, Metric
$4,377.50
Today

1466 ps, 2000 ps, and 4000 ps Optical Delay Lines with Benchtop Controller


Click to Enlarge

BBD201 Controller Included
Key Specsa
Item # ODL220(/M) ODL300(/M) ODL600(/M)
Optical Delay (Max) 1466 ps 2000 ps 4000 ps
Minimum Delay Shift 0.67 fs
Translation Stage Item # DDS220(/M) DDS300-E(/M) DDS600-E(/M)
Stage Velocity 300 mm/s 400 mm/s 400 mm/s
Absolute
On-Axis Accuracy
±2.0 µm ±7.5 µm ±12.0 µm
  • For complete specifications, please refer to the Specs tab.
  • Systems Include:
    • DC Servo Linear Translation Stage
    • BBD201 Benchtop Controller
    • Mirrors and Knife-Edge Prism
    • Stage Adapters and Optic Mounts
    • Refer to Specs Tab for Complete Kit Contents

These optical delay lines include a translation stage, benchtop DC servo stage controller, optics, and mounting hardware. A knife-edge prism at one end of the translation stage reflects the beam towards two V-block-mounted mirrors on the translating platform.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Imperial Price Available
ODL220 Support Documentation
ODL220Free-Space Optical Delay Line, 1466 ps Delay, 220 mm Travel, Imperial
$6,695.00
Today
ODL300 Support Documentation
ODL300Customer Inspired! Free-Space Optical Delay Line, 2000 ps Delay, 300 mm Travel, Imperial
$8,909.50
Today
ODL600 Support Documentation
ODL600Customer Inspired! Free-Space Optical Delay Line, 4000 ps Delay, 600 mm Travel, Imperial
$10,815.00
Today
+1 Qty Docs Part Number - Metric Price Available
ODL220/M Support Documentation
ODL220/MFree-Space Optical Delay Line, 1466 ps Delay, 220 mm Travel, Metric
$6,695.00
Today
ODL300/M Support Documentation
ODL300/MCustomer Inspired! Free-Space Optical Delay Line, 2000 ps Delay, 300 mm Travel, Metric
$8,909.50
Today
ODL600/M Support Documentation
ODL600/MCustomer Inspired! Free-Space Optical Delay Line, 4000 ps Delay, 600 mm Travel, Metric
$10,815.00
Today
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