Infrared nonlinear crystals GaSe - 30
GaSe has band edges at 0.65 and 18 μm. GaSe has been successfully used for efficient SHG of CO2 laser, for SHG of pulsed CO, CO2 and chemical DF-laser (λ = 2.36 μm) radiation; up conversion of CO and CO2 laser radiation into the visible range; infrared pulses generation via difference frequency mixing of Neodymium and infrared dye laser or (F-)-centre laser pulses; OPG light generation within 3.5–18 μm; efficient TeraHertz generation in 100–1600 μm range. It is impossible to cut crystals for certain phase matching angles because of material structure (cleave along (001) plane) limiting areas of applications.
- Crystal Type: GaSe
- Phase Mathcing Type: Type I, Type II
- Mounting: Unmounted
- Width: -- mm
- Height: -- mm
- Length: -- mm
- Flatness: Not Available
- Surface Quality (Scratch-Dig): Not Available
- AR Coating: Not Coated
- Thickness: 30 nm
- Clear Aperture: 7 mm
Large effective optical nonlinearity, wide spectral and angular acceptances, broad transparency range, non-critical requirements for temperature stabilization and vibration control, well mechanically processed.
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