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Mid IR LASERS
Wavelengths and associated measurable gases with strong absorption bands in these regions
Wavelength (µm) |
Wavenumber (cm -1 ) |
Gases Detectable |
| 4.87 |
2055 |
CO2, CO |
| 5.25 |
1904 |
NO, H2O |
| 6.13 |
1631 |
NO2 |
| 7.43 |
1345 |
SO2, H2S, CH4 |
| 10.09 |
990 |
NH3 |
Features
- Beam divergence at emitting facet of the Product:
Mean optical output power (P m ) guaranteed in a full solid angle of 60°.
- Single mode suppression ratio:SMSR of the Product over the laser gain spectrum of the Product: >= 25dB
- Mean optical output power:
Optical output power (P m ) during t pulse >= 100 mW Optical output power decay (P decay ) from start to end of t pulse : =< 50%
Operating Parameters:
- Current and Voltage:
Pulse current (Ic): up to 4 Amps
Pulse voltage (Vc): up to 16 Volts
Current threshold (Ith): up to 2 Amps
- Duty cycle, pulse repetition frequency and reciprocal wavelength scan:
Operating duty cycle (DCc): up to 5%
Pulse duration (tpulse): up to 800ns
Pulse repetition frequency (PRF): up to 100KHz
Wavenumber scan during tpulse (υ̃s): over 2cm-1
- Operating and environmental temperature:
Product sub-mount temperature (T): -30oC to 35oC
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