He-Ne Laser |
Cavity Length |
246 mm |
Center Wavelength |
632.8 nm |
Confocal Spherical Laser Resonator |
Cavity Length |
20 mm |
Curvature of Concave Mirror |
20 mm |
Reflectivity of Concave Mirror |
99% |
Finesse |
>200 |
Free Spectral Range (FSR) |
4 GHz |
Mode Spacing Error |
< 20 MHz |