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 Scanner
Single 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