Platform based digital Michelson interferometer

Main technical parameters:

1. Mobile mirror travel: 25mm;

2. Digital division value and accuracy of moving mirror: 0.0001mm;

3. Encoder, 250 pulses, 5V power supply, voltage output, digital display, micro displacement counting;

4. Digital display device: six digit display, measuring the displacement of the moving mirror, and displaying the micro displacement in digital form through grating counting;

5. Measurement accuracy: When the stripe count is 50, the relative error in measuring the wavelength of monochromatic light is less than 2%;

6. Linear error of mobile platform: less than ± 5 ″;

7. Partition board, compensation board flatness: λ/30;

8. Mobile mirror, fixed mirror flatness: λ/25;

9. The outer diameter size of the reflector is 36mm;

10. All precision adjustment brackets have a pitch of 0.25mm; 11. Specially designed sodium light source (large screen): The safety magnetic lamp head seat is anti broken, the lifting adjustment frame, the square lampshade can be flipped 90 degrees for illumination in addition to lifting up and down, and the 3-view hanging frosted glass window is detachable; Rated voltage 220V, working voltage 15V, 1 sodium containing fluorescent tube; Inductive type, with good safety performance. The heat dissipation holes on both sides of the chassis are arranged at a 45 ° angle, with a spacing of ø 3 * 15 * 18. The surface is sandblasted with black technology without noise and has good stability; No need for fuses, with built-in short-circuit protection device.

12. Instrument dimensions: length 390 x width 330 x height 300mm