Based on the principle of Fizeau interference and mechanical phase shifting and equipped with the self-developed super-achromatic beam expanding and imaging system, the interferometer supports the plug and play of laser source
with the working wavelength in the range of 600 – 1600 nm.
product parameter
| Projection | Parameters |
|---|---|
| Principle of Measurement | Fizeau Interference |
| Method of Phase-Shifting | Mechanical Phase-Shifting |
| Aperture of Measurement | 6-inch (152.4 mm) |
| Wavelength range of Supporting laser Source | 600 – 1600 nm |
| Wavelengths of the provided laser Sources | 632.8, 808, 1064, 1550 nm |
| Number of fiber Ports At The Incident Port | 4 |
| Fiber port type | FC/PC |
| Resolution of Camera | 640×480 |
| Focusing Ability of Camera | √ |
| Material and Wavefront PV error of the transmission flat (TF) | Quartz, ≤ λ/10 (λ=632.8nm) (Customizable: λ/20) |
| Material and Wavefront PV error of the reference flat (RF) | Crystalline, ≤ λ/10 (λ=632.8nm) (Customizable: λ/20) |
| Cavity error (PV) | ≤ λ/10 (λ=632.8nm) (Customizable: λ/20) |
| RMS Repeatability | ≦ 1nm (2δ) |
| Automatic repeat measurement | √ |
| Timing Measurement | √ |
| Report of Measurement Results | √ |
| File Format | .dat/.bmp/.jpg |
| Working Temperature Requirements | 22℃ ±1℃ |
| Working Temperature Fluctuation Requirements | ＜ 1° C / hour |
| Working Humidity Requirements | 55%±10% R.H. |
| Isolation Requirements | Air-floating Platform: 1 – 2 Hz (Natural Frequency) |
| Power requirements | AC 110 – 220 V, 50/60 Hz |
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