He-Ne Laser Cavity with Brewster Window |
Radii of Curvature of Cavity Mirrors |
R1=∞ or R1=1 m; R2=1 m |
Cavity Length |
270 mm |
Center Wavelength |
632.8 nm |
Output Power |
≤ 1.5 mW |
Confocal Spherical Scanning Interferometer |
Cavity Length |
20.56 mm |
Radius of Curvature of Concave Mirror |
20.56 mm |
Reflectivity of Concave Mirror |
99% |
Finesse |
>100 |
Free Spectral Range (FSR) |
3.75 GHz |
Sawtooth Wave Generator |
Modulation Amplitude of Sinusoidal Wave |
0 ~ 250 V, continuously adjustable |
DC Offset Voltage Output |
0 ~ 250 V, continuously adjustable |
Output Frequency |
20 ~ 50 Hz |
He-Ne Laser for Beam Alignment |
Center Wavelength |
632.8 nm |
Output Power |
≤ 1 mW |
Optical Rail |
1 m |
Optical Power Meter |
2 µW ~ 200 mW, 6 scales |