Single and Dual Axis Scanners Overview:

A client asked OFH to develop a low cost, moving coil design with LED/quad sensor position sensor, closed-loop servo feedback with electronic dampening. This product is not available as an off the shelf system but serves as an example related to past work.

Features

  • Axis/jewel bearing suspensions allow for smooth motion
  • Built in optical sensors allow the user to monitor both axis of mirror motion
  • 1x1x1 to 30 x 57 x2 mm
  • Tested failure-free life of 2 million cycles

Dual Axis ScannerSingle Axis Scanner

Mirror Specifications

  • Mirror Angular Range (mechanical) +/- 100 (both axes)
  • Angular resolution 0.010
  • Frequency with mirror < 1000 Hz
  • Linearity 99% (for angles ≤ +/- 20)

Electrical

  • Peak power 2 Watts
  • Feedback control S/N: 40 dB at frequency of 100 kHz, 60 dB at frequency 10kHz
  • Typical operating temperature 500C
  • Maximum operating temperature 800C

Controller, CPU Board

  • CPU servo controller board with closed loop position feedback
  • PC controls, communication protocol

Power Supply

  • + 5V DC
  • 0.4A Max

Mirror Substrate

  • Mirror substrate size = 30 x 57 x 2 mm
  • Coatings - to client requirement