Mid-IR DFB Laser in TO66 Package for Gas Sensing TDLAS Applications - Mid-IR

  • Mid-IR DFB Laser in TO66 Package for Gas Sensing TDLAS Applications
  • Mid-IR DFB Laser in TO66 Package for Gas Sensing TDLAS Applications
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• Available Wavelengths: 2000nm-3500nm
• TO-66 package
• Glass or Sapphire window with 7°slope
• Tuning range up to 6 nm without mode hopping
• Temperature tuning control: 0.1 nm / ℃
• Drive current tuning control: 0.04 nm / mA
• Typical output power range: 2-8 mW

  • Model Number: Mid-IR
  • Data Sheet: Date Sheet File
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Product Specification

Mid-IR DFB Lasers for Spectroscopy


NORCADA designs and manufactures single mode semiconductor distributed feedback (DFB) lasers for industrial sensing and environmental monitoring applicaons. Our DFB lasers come with two main styles of hermetic packaging configurations designed for excellent temperature stability and wavelength tuning.


Mid-IR DFB Lasers Product Features
• Integrated DFB grating provides single frequency operation
• Frequency tuning can be accomplished by adjusting either laser drive current or temperature.
• Tuning range up to 6 nm without mode hopping
• Temperature tuning control: 0.1 nm / ℃
• Drive current tuning control: 0.04 nm / mA
• Typical output power range: 2-8 mW


Mid-IR DFB Lasers Packaging Options
• TO-66 package
• Glass or Sapphire window with 7°slope
• Hermetically sealed Integrated thermoelectric cooler (TEC)
• Mounted lens for collimation
• Butierfly package with fibre coupled output


Mid-IR DFB Lasers Applications
• Molecular spectroscopy
• Industrial gas sensing (TDLAS)
• Environmental monitoring


Mid-IR DFB Lasers Available Wavelengths
2000nm-3500nm


Typical wavelengths for trace gas sensing applications

 λ(nm)

 2004

 2260

 2326

 2334

 2475

 2740

 3270

 Gas

 CO2

 N2O

 CO

 CO/CH4

 HF

 H2O

 CH4


General Ratings and Operating Conditions for 2326nm DFB Laser Diodes

Parameters ( T = 25°C )

Units

Min.

Typ.

Max.

Threshold Current

mA


30


Optical power

mW

5

8

10

Center Wavelength

nm

2325

2326

2327

Temperature Tuning

nm/°C


0.1


Current Tuning

nm/mA

0.03

0.04

0.06

Beam profile (slow axis)

degrees


18


Beam profile (fast axis)

degrees


25

 

Side mode suppression (SMSR)

dB

30 



Storage Temperature

°C

-40

 

80

Case (Instrument) Operating Temperature

°C

-20


40

Laser Diode Forward Current

mA



200


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