OBB Optical CHopper

Digital Optical Chopper

 
Optical Chopper The OC-5000 optical chopper is a stepper motor driven, digital, optical chopper that includes a USB stepper motor controller. It is used to convert a continuous light beam into a pulsed, or chopped, light beam. The most common application is for signal recovery techniques with a lock-in amplifier to reduce signal noise. The OC-5000 operates across a range of frequencies and is controlled by micro stepping with angular movement accuracy which is better than few degrees.

Unique features of the OBB Optical Chopper

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Remote on/off control when not "chopping"

When an analog chopper is turned off, the blade stops rotating at any random location. However the OC-5000 can be stopped at any precise open or closed position for a given optical setup. In this way the optical chopper can also act as a automated control shutter.

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Superior speed and accuracy

0 to 15,000 Hz speed with accuracy of 0.16 Hz

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Synchronous control of two optical choppers

The high angular precision and digital control of the OC-5000 allows it to be synchronously controlled with a second OC-5000 chopper head.

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Simplicity of operation

Remote computer control with USB stepper motor controller and LabVIEW™ driver, or simple manual on/off control.

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Low cost

 

For more information on OBB's Optical Chopper visit the Optical Chopper Hardware page.

 
OBB has a policy of continuous product development and reserves the right to amend part numbers, descriptions and specifications without prior notice.
 
 

Optical Chopper Quick Links

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HORIBA Scientific
Optical Building Blocks
3880 Park Avenue
Edison New Jersey
08820-3097

Tel: 732-494-8660
Fax: 732-623-8129
E-mail:info.sci@horiba.com