Interferometer
Rational Precision Instrument Co., Ltd
System:
Test Beam: 15mm (38mm)
Zoom(6X): Rotary dial (continuous)
Focus: 2.0m
Intensity: Rotary dial
Alignment: Simple two spot alignment
Part Viewing: ¡¾1.8 degrees
Part Viewing: Live video on computer screen
Performance
Repeatability 3-flat 1: Yë/600 PV
RMS Repeatability 2: Yë/2000
Height Resolution: Yë/8000
Spatial Resolution: 640X800
Fringe Resolution: 180 fringes
Digitization: 8 bits
Acquisition Time: 300 ms
Averaging Modes: Intensity and Phase
Laser Beam
Source: Helium-Neon, 632.8nm ,£¬ 2mw
Polarization: Circular
Coherence: £¾100 meters
Electrical
Power: 110/240 Volts, 50/60Hz ,50 Watts
Mechanical
Dimensions: 120X120X250(mm)
Weight: 6kg
Environmental Requirements:
Temperature: 15¨¬C to 30¨¬C (59¨¬F to 86¨¬F)
Rate of Temp. change: < 1.0¨¬C per 15 min
Humidity: Relative 5% to 95%, no condensing
Vibration Isolation Required for frequencies from 1 Hz to 120 Hz
Assuming reasonable vibration suppression (isolation table, minimal thermals, etc.)
1. sigma repeatability of 3-Flat Test with 16 averages per set
2. sigma of the rms for 10 data sets, each an average of 16 measurements
