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Take a look at our whitepapers for more information on our Modulating RetroReflector or Optical Modulation solutions.

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MEMS Modulating Retroreflector MRR

Pair your Modulating RetroReflector with the

MB-200 Driver for a complete modulation solution.

Click here for specifications on this device.

Boston Micromachines MB-200 Driver
Customization Opportunity
​The Modulating RetroReflector is highly customizable to suit the exacting requirements of your applications. The specifications listed (left) are for the default device that is intended for laboratory and research applications.

​Please
contact us to arrange a meeting with our engineering team to discuss how the MRR can be customized for you.

MRR Specifications

  • -Continuous Surface
  • -Single-actuation design
  • -Binary step feature
  • -Housing diameter: 1 in.
  • -Aperture: 14 mm*
  • -Coating: Gold
  • -Beam deviation: <30 arcsec
  • -Surface Finish: <6 nm RMS
  • -Switching speed: From 20 µs


* Custom-sized apertures available upon request 

  The Modulating RetroReflector (MRR) system has been demonstrated to provide continuous asymmetric free space optical communication at a 180 kHz data rate. The MRR subcomponent is housed in a compact, easy-to-integrate package geared for laboratory technology demonstration, shown above. This technology can be used out of the box or integrated into a complete setup through the use of standard optical components. The MRR can be paired with the MB-200 Driver to enable immediate testing of an optical protocol using a standard TTL input. See below for complete device specifications.

MEMS modulating retroreflector diagram

Click Here to view our detailed specification sheet on the Modulating RetroReflector

MEMS Modulating Retroreflector

Low Power MEMS Modulating RetroReflector for Free Space Optical Communication.


   When mounted as one facet of a hollow corner cube retroreflector, the Boston Micromachines MEMS Optical Modulator is capable of passively returning light from an interrogating laser source while simultaneously modulating its intensity for asymmetric communication.  In its unpowered state the device acts as a typical retroreflector, returning a high percentage of light to the source, while, in its powered state, most of this light is now scattered.

Modulating retroreflector