Changchun New Industries Optoelectronics Technology Co., Ltd.

Lasers, Optics & Photonics

Products   |   Laser   |  Spectrometer  |  Power Meter  |  Green laser  |  Blue laser  |  Red laser  |  Yellow laser  |  UV laser  |  Q-switched laser  |  SLM laser  |  RGB laser  


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CNI offer DFB/ DBR/ VCSEL laser, which is special designed for gas detection such as CH4, H2S, NH3, H2O, CO, CO2, C2H4, HF, C2H2, etc. Features with narrow linewidth up to 2MHz, ultra compact dimension, high power and wavelength stability, they are widely used in fiber gas detection, seed light source, fiber optical sensing field, etc.

TEMoo mode diode laser

       Features: Applications:
Stable wavelength and output power Optical fiber gas detection system
Narrow linewidth Optical sensing
No jump mode output in operating current range Fiber communications

       Laser Wavelength for Gas Detection:

  Gas Composition

Chemical Formula

Absorption Spectrum

  Methane CH4

1650.9 nm, 1653.7 nm

  Hydrogen sulfide H2S 1578 nm, 1590 nm
  Ammonia NH3 1512 nm
  Carbon monoxide CO 1567 nm
  Carbon dioxide CO2 1580 nm



1532.68 nm

  Ethylene C2H4 1620 nm, 1625 nm, 1627 nm
  Hydrogen fluoride HF 1268.7 nm, 1273 nm, 1305 nm, 1312 nm
  Water H2O

1368 nm, 1392 nm

       CNI Laser for Fiber Communication:


  Model Output Power Data sheet
  1268 nm TEM-F-1268DFB 1-10 mW
  1310 nm TEM-F-1310DFB 1-10 mW
  1392 nm TEM-F-1392DFB 1-10 mW
  1450 nm TEM-F-1450DFB 1-20 mW
  1470 nm TEM-F-1470DFB 1-20 mW
  1490 nm TEM-F-1490DFB 1-20 mW
  1532 nm TEM-F-1532DFB 1-20 mW
  1540 nm TEM-F-1540DFB 1-20 mW
  1550 nm TEM-F-1550DFB 1-30 mW
  1560 nm TEM-F-1560DFB 1-20 mW
  1573 nm TEM-F-1573DFB 1-20 mW
  1590 nm TEM-F-1590DFB 1-20 mW
  1610 nm TEM-F-1610DFB 1-20 mW


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