"; _cf_contextpath=""; _cf_ajaxscriptsrc="/cfthorscripts/ajax"; _cf_jsonprefix='//'; _cf_websocket_port=8578; _cf_flash_policy_port=1244; _cf_clientid='02C8DB44AE6255E769CB7B9D5D9ADB16';/* ]]> */
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Diaphragm Shutters with Controller![]()
SHB1T Ø1" Shutter, SHB05 Ø1/2" Shutter, SHB025T Ø1/4" Shutter, Application Idea An SHB1T beam shutter Shutter Controller Included US Patent 9,671,676 Related Items
![]() Please Wait
![]() Click to Enlarge SHB1 shutter with aperture opened. The front features an engraving and SM1 threading. Features
Thorlabs' Diaphragm (Leaf) Optical Beam Shutters feature a Ø1/4", Ø1/2", or Ø1" clear aperture, uncoated or PTFE-coated blades that open from the center of the aperture, and compact housings. These patented (US Patent: 9,671,676) shutters have fast response times, include controllers, and can be operated either by manual pushbutton or external 0 to 5 V TTL signal control. Shutters with a Ø1/4" aperture have two stainless steel blades, while shutters with a Ø1/2" and Ø1" aperture have five. For versions with PTFE-coated blades, the coating is deposited on both sides of the blades to reduce reflections from the closed aperture while maintaining the performance of the uncoated shutter. A plot of the typical reflectance of the coating as a function of wavelength can be seen on the Graphs tab. Operation Note that the blades on these shutters can move freely when turned off. Click here for fail-safe (safety) shutters that are closed by default and only open when a pulse signal is sent to the shutter. ![]() Click to Enlarge We offer mounting adapters for compatibility with Ø1/2" posts and 30 mm cage systems. ![]() Click to Enlarge Included Shutter Controller Shutter Controller Third party controllers should not be used to control these shutters. The controller included with each shutter below is programmed for use with the accompanying shutter; the controllers are not interchangeable between different shutter sizes. Mounting Adapters
![]() Click to Enlarge Timing Diagram. Refer to the table to the right for details.
![]() Click to Enlarge Typical Jitter Stability of an SHB025 Shutter ![]() Click to Enlarge Typical Jitter Stability of an SHB05 Shutter ![]() Click to Enlarge Typical Jitter Stability of an SHB1 Shutter ![]() Click to Enlarge The plot above gives the typical reflectance for the PTFE coating deposited on both sides of the shutter blades of Item #s SHB025T, SHB05T, and SHB1T. This data is not guaranteed and should be used only as a reference. ![]() Click to Enlarge Shutter Controller Back ![]() Click to Enlarge Shutter Controller Front Shutter ControllerEach of these diaphragm shutters is provided with a controller capable of operating in two modulation modes: manual or external. In addition, when in external modulation mode, the shutter may be run in either protected or unprotected mode; in unprotected mode the over-temperature shut down is disabled. Descriptions of each of these modes, as well as the LED indicators displayed in each mode, are given below. For convenience, this information is detailed in the manual provided with the shutter and summarized on a quick reference guide on the bottom of the controller. Manual Modulation ModeThe shutter can be controlled manually by pressing the ENABLE button on the top of the controller. If the shutter is closed, pressing the enable button once will open the shutter and turn the status LED green. Pressing the enable button again will close the shutter and the status LED will turn off. The shutter will stop operating, the status LED will turn red, and the interlock circuit will open if the blades become jammed. External Modulation ModesThe shutter may also be controlled with an external 0 - 5 V TTL signal by connecting the TTL source and then powering on the controller. If the shutter does not begin operating, press and hold the enable button to enter external modulation mode. There are two external modulation modes, Protected and Unprotected, which are described below. In both, the shutter will stop operating, the status LED will turn red, and the interlock circuit will open if the blades become jammed. Protected Mode Unprotected Mode Change Mode to![]()
External Modulation Input: TTL 0 to 5 V: Female BNC Interlock Output: 2.5 mm Mono Phone Jack ![]() Female Jack on Controller ![]() Male Plug on 35" (889 mm) Long Shutter Cord
![]()
Thorlabs' SHB025 and SHB025T diaphragm shutters have two stainless steel leaves and offer a Ø0.25" aperture in a compact, Ø1.00", 0.29" thick housing. The leaves of the SHB025 shutter are uncoated, while the leaves of the SHB025T shutter are coated with PTFE for low reflectance. Each shutter includes a controller. For more details on the shutter controller, please see the Controller tab above. Two Ø0.06" (Ø1.6 mm) through holes are provided around the edge of the housing that can accept #0 (M1.4) screws for custom and OEM mounting options. Only use non-magnetic screws; using regular screws may degrade shutter performance. For conventional mounting of these shutters to our selection of posts, or integration into cage systems, we offer the SHCP025(/M) Mounting Adapter, available below. ![]()
Thorlabs' SHB05 and SHB05T diaphragm shutters have five stainless steel leaves and offer a Ø0.508" aperture in a compact, Ø1.10", 0.29" thick housing. The leaves of the SHB05 shutter are uncoated, while the leaves of the SHB05T shutter are coated with PTFE for low reflectance. Each shutter includes a controller. For more details on the shutter controller, please see the Controller tab above. One side of the aperture is internally SM05 (0.535"-40) threaded to easily interface with all of our SM05 lens tubes and other SM05-threaded components. For integration within cage or post assembly systems, consider the SHCP05(/M) or SHM05(/M) adapters, available below. For custom and OEM mounting options, two Ø0.07" (Ø1.7 mm) through holes are provided around the edge of the housing that can accept #0 (M1.4) screws. Only use non-magnetic screws; using regular screws may degrade shutter performance. ![]()
Thorlabs' SHB1 and SHB1T diaphragm shutters have five stainless steel leaves and offer a Ø1.00" aperture in a compact, Ø2.25", 0.38" thick housing. The leaves of the SHB1 shutter are uncoated, while the leaves of the SHB1T shutter are coated with PTFE for low reflectance. Each shutter includes a controller. For more details on the shutter controller, please see the Controller tab above. One side of the aperture is internally SM1 (1.035"-40) threaded to easily interface with all of our SM1 lens tubes and other SM1-threaded components. For integration within other lens tube, cage, or post assembly systems, consider the SHC1 or SHM1(/M) adapters, available below. For custom and OEM mounting options, three Ø0.10" (Ø2.4 mm) through holes are provided around the edge of the housing that can accept #2 (M2) screws. Only use non-magnetic screws; using regular screws may degrade shutter performance. ![]() ![]() Click to Enlarge The double bore of the SHCP025 accepts the outer diameter of the shutter.
The SHCP025(/M) Mounting Adapter is designed to make our Ø1/4" diaphragm shutters compatible with Ø1/2" posts and 30 mm cage systems. The adapter features a double bore that accepts the outer diameter of the shutter and a notch allows its cord to pass freely, as shown in the photograph to the right. The top of the adapter has an 8-32 nylon-tipped setscrew for securing the shutter, which mounts with three points of contact. The adapter allows the shutter to be placed anywhere within a 30 mm cage system by providing four through holes for use with Ø6 mm cage rods. Four side-located 8-32 setscrews (5/64" [2.0 mm] hex) secure the cage rods. A Ø1/2" post can be attached to the bottom of the adapter using the 8-32 (M4) tapped hole. ![]() ![]() Click to Enlarge The SHCP05 adapter allows the shutter to be mounted within a 30 mm cage system. ![]() Click to Enlarge The SHM05 adapter's double bore accepts the outer diameter of the shutter.
These mounting adapters are designed to make our Ø1/2" diaphragm shutters compatible with Ø1/2" posts and 30 mm cage systems. Each adapter features a double bore that accepts the outer diameter of the shutter and a notch that allows the controller cord to pass freely, as shown in the photograph to the right. The top of each adapter has an 8-32 nylon-tipped setscrew for mounting with three points of contact. A Ø1/2" post can be attached to the bottom of the adapters using the 8-32 (M4) tapped hole. The SHM05(/M) adapter also offers three 0-80 taps that can be used to secure the shutter for vibration-sensitive applications. The SHCP05(/M) adapter allows the shutter to be placed anywhere within a 30 mm cage system by providing four through holes for use with Ø6 mm cage rods. Four side-located 8-32 setscrews (5/64" [2.0 mm] hex) secure the cage rods. The SHM05(/M) adapter features four 4-40 tapped holes that allow the shutter to be installed as the terminating element in a 30 mm cage system. The clear aperture of the adapter has internal SM05 threads, which allows lens tubes to be attached to both sides of a shutter/adapter combination. ![]() ![]() Click to Enlarge The double bore of the SHM1(/M) allows the SM1 threads of the shutter to be freely accessed.
SHB1(T) Installation Inside SHC1 Enclosure The SHM1(/M) Mounting Adapter provides a range of mounting options. It features four 4-40 tapped holes on one side for attaching a 30 mm cage system, a 8-32 (M4) tapped hole on the bottom for mounting on a Ø1/2" post, and internal SM1 threads to the back side for lens tube integration. The adapter offers two methods for mounting a Ø1" diaphragm shutter. For faster insertion and removal, the top of the adapter has an 8-32 nylon-tipped setscrew, which secures the shutter with three points of contact inside the double bore. Alternatively, three 2-56 taps can be used to secure the shutter for vibration-sensitive applications. The SHC1 Threaded Enclosure provides extended lens tube compatibility, with external SM2 threads on either side of the assembled adapter. The lid that encloses the shutter also provides internal C-Mount threads, while the rear of the enclosure offers internal SM30 threads. Both sides of the assembled adapter feature four 4-40 tapped holes for compatibility with 30 mm cage systems. To install the shutter in the SHC1 adapter, remove the lid and secure the shutter using three included M2 screws (1.5 mm hex key included). Once in place, the lid is attached using four included M2 screws to enclose the shutter (as shown in the animation to the left). The lid can be removed to access the SM1 threads of the shutter on one side while maintaining SM2 compatibility on the other. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|