DFB Laser, FB Laser & QCL Laser Diodes
Discription :
Fabry Perot QCL lasers or DFB/FB QCL Laser Diodes belong to the spectral range of the 4um-12um Infra-Red medium. QCL lasers are semiconductor lasers that can emit far-infrared to mid-infrared. QCL lasers are unipolar and the laser emission is obtained by inter-subband transition of a quantum confinement structure, a quantum well, composed of a multitude of heterostructures in a row. They therefore differ from traditional semiconductor laser diodes in that they do not use a p-n junction for light emission. Adtech optics has developed and produced innovative QCL lasers available in different housing, emitting CW or pulsed at up to 150mW ambient temperature for DFB lasers.
Applications :
– CO2 gas detection, H2O, CH4, HF, NH3 etc …
– Metrology,
– Medical
More Details
Wavelength Range (cm-1) | Mode | Average Power | Gas |
1090-1180 | QCW (i.e : pulsed) |
<5mW | Amonia (NH3) |
1272-1305 | QCW | <5mW | Nitrous Oxide (N2O) |
1315-1380 | QCW | <5mW | Methane (CH4) |
1344-1356 | CW | <5mW | Methane (CH4) |
1396-1402 | QCW | <5mW | Sulfur trioxide (SO3) |
1622-1650 | QCW | <5mW | |
1726-1795 | CW | >60mW | Formaldehyde (H2CO), Water (H2O) |
1746-1825 | QCW | <10mW | Formaldehyde (H2CO), Water (H2O) |
1855-1945 | QCW | <5mW | Nitric Oxide (NO) |
1955-1976 | CW | <5mW | |
2180-2392 | QCW | <5mW | Carbon dioxide (CO2) |
2222-2259 | CW | 5mW-10mW | Carbon monoxide (CO) |
2269-2312 | CW | 5mW-10mW |