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nanoplus | Distributed Feedback Lasers
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Distributed Feedback Laser

Need unparalleled accuracy in your gas sensing applications? nanoplus is the name to know. They've been at the forefront of distributed feedback (DFB) laser technology for over two decades. That's right, over 25 years! These lasers enable incredibly precise measurements. Experience the cutting edge of laser technology. Their lasers power everything from power plants to satellites.

nanoplus | Distributed Feedback Lasers

nanoplus DFB lasers deliver unmatched performance. Utilizing tunable diode laser spectroscopy, they offer precise results. These lasers are built to last; over 50,000 installations worldwide can attest to that. They’re the workhorse for power plants, gas pipelines, and emission control systems. Learn how these lasers are also used in airborne and satellite applications! You can find specific examples of how these are used in our applications section.


Key Features :
  • Monomode
  • Continuous wave
  • Room temperature
  • Tunable
  • Custom wavelength
  • Stable longitudinal and transversal single mode emission
  • Precise selection of target wavelength
  • Narrow laser line width
  • Mode-hop-free wavelength tunability
  • Fast wavelength tuning
  • Typically > 5 mW output power
  • Small size
  • Easy usability
  • High efficiency
  • Long-term stability


Technology :

nanoplus uses a unique and patented technology for DFB laser manufacturing. We apply a lateral metal grating along the ridge waveguide, which is independent of the material system and provides single mode emission with superb optical properties. Read more about our patented distributed feedback technology.

nanoplus DFB laser concept

Schematic design of a laterally coupled DFB laser diode and electron micrograph of a metal grating DFB structure defined by E-Beam lithography


Schematic DFB

Schematic of nanoplus Distributed Feedback Laser with spectrum


nanoplus DFB lateral grating illustration

Overgrowth-free processing of Distributed Feedback Laser


Applications :
  • Fluorescence Microscopy
  • Flow Cytometry
  • DNA Sequencing
  • Fiber Sensing
  • 3D Sensing
  • Gas Sensing
  • Optic Communication
  • Sensing
  • Telecommunication
  • Sensing and Metrology
  • Defence and Security
  • Medical Uses (Disease diagnosis)
  • Biophotonics (Fluorescence Microscopy, Flow Cytometry, and DNA Sequencing)
  • Undersea Applications (Undersea Monitoring, Observing Marine Life, Detecting Oil and Natural Gas Sources, and early Warning of Tsunamis)


Select your DFB laser at any wavelength from 760 nm to 14000 nm :

760 nm - 830 nm

830 nm - 920 nm

920 nm - 1100 nm

1100 nm - 1300 nm

1300 nm - 1650 nm

1650 nm - 1850 nm

1850 nm - 2200 nm

2200 nm - 2600 nm

2600 nm - 2900 nm

2800 nm - 4000 nm

4000 nm - 4600 nm

4600 nm - 5300 nm

5300 nm - 5800 nm

5800 nm - 6500 nm

(cw) 6000 nm - 11000 nm

(pulsed QCL) 6000 nm - 14000 nm

Top Wavelength :

760.8 nm

1278.8 nm

1392.0 nm

1512.2 nm

1560 - 1590 nm

1651 & 1654 nm

1742 nm

1854 & 1877 nm

2004 nm

2330 & 2334 nm

3240 & 3270 nm

3345 & 3375 nm

HP 3345 nm

4524 & 4534 nm

HP 4565 nm

5184 & 5263 nm


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