Distributed Feedback Lasers: 1300 nm - 1650 nm
nanoplus offers DFB laser diodes at any wavelength between 1300 nm and 1650 nm.
Key features of nanoplus distributed feedback laser diodes
- monomode
- continuous wave
- room temperature
- tunable
- custom wavelengths
Why choose nanoplus distributed feedback laser diodes
- stable longitudinal and transversal single mode emission
- precise selection of target wavelength
- narrow laser linewidth
- mode-hop-free wavelength tunability
- fast wavelength tuning
- typically > 5 mW output power
- small size
- easy usability
- high efficiency
- long-term stability
For more than 20 years nanoplus has been the technology leader for lasers in gas sensing. We produce lasers at large scale at our own fabrication sites in Gerbrunn and Meiningen. nanoplus cooperates with the leading system integrators in the TDLAS based analyzer industry. More than 30,000 installations worldwide prove the reliability of nanoplus lasers.
Quick description of nanoplus distributed feedback laser 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. Read more about our patented distributed feedback technology.
Related information for nanoplus DFB laser diodes between 1300 nm and 1650 nm
Specifications
Mountings & Accessories
Applications
Papers & Links
The following table summarizes the typical DFB laser specifications in the 1300 nm to 1650 nm range:
| parameters (T = 25 °C) | symbol | unit | minimum | typical | maximum |
|---|---|---|---|---|---|
| operating wavelength (at Top, Iop) | λop | nm | 0.1 nm | ||
| optical output power (at λop) | Pop | mW | 5 | ||
| operating current | Iop | mA | 70 | ||
| operating voltage | Vop | V | 2 | ||
| threshold current | Ith | mA | 10 | 30 | 55 |
| side mode suppression ratio | SMSR | dB | > 35 | ||
| current tuning coefficient | CI | nm / mA | 0.01 | 0.02 | 0.03 |
| temperature tuning coefficient | CT | nm / K | 0.07 | 0.10 | 0.14 |
| operating chip temperature | Top | °C | +20 | +25 | +50 |
| operating case temperature* | TC | °C | -20 | +25 | +50 |
| storage temperature* | TS | °C | -40 | +20 | +80 |
* non-condensing
We offer enhanced specifications for distributed feedback lasers at 1392.0 nm for water vapour detection, 1512.2 nm for ammonium detection, and 1560 - 1590 nm for hydrogen sulfide detection. Please check our Top Wavelengths section for more information.
nanoplus distributed feedback lasers show outstanding spectral, tuning and electrical properties. They are demonstrated in figures 1 - 3. Click on the graphics to enlarge.
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If you are uncertain whether you require a distributed feedback laser, compare the specifications with our Fabry-Pérot lasers or contact us.
nanoplus offers a variety of free space and fiber coupled mountings. Configure your laser according to your needs.
Free space mountings
Select a TO header with or without TEC. The TO headers are hermetically sealed with cap and window. Ask for customization without cap or without window. c-mount is available upon request. Please click on the mounting for detailed specifications and dimensions.
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Fiber coupled mountings
Choose between SM and PM fiber coupling. Please click on the mounting for detailed specifications and dimensions. The SM-BTF is available for lasers between 760 nm and 2360 nm, the PM-BTF option is offered for lasers between 1064 nm and 2050 nm.
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OEM mounting
For our OEM customers we offer a very small footprint package that is easy to integrate.
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Accessories
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The nanoplus TO5 heatsink facilitates your laser set up by:
- improved heat distribution
- connectors for laser diode driver
- connectors for temperature controller
- M6 thread for optical posts
- easy use with standard cage systems
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The nanoplus TO5 heatsink is available with collimation. The optical set up guarantees a collimated elliptical beam shape.
DFB lasers emitting at 1392.0 nm are e. g. suited for sensitive detection of small water vapour concentrations.
For detailed absorption data, please refer to HITRAN database and to our Applications by Gas section.
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Please find below a selection of related papers from our literature list.
Let us know if you published a paper with our lasers. We will be happy to include it in our literature list.
#9 DFB Lasers Between 760 nm and 16 µm for Sensing Applications;
W. Zeller, L. Naehle, P. Fuchs, F. Gerschuetz, L. Hildebrandt, J. Koeth, Sensors 2010, 10, pp. 2492-2510.
#23 MAMMUT: mirror vibration metrology for VLTI;
I. Spaleniak, F. Giessler, R. Geiss, S. Minardi, T. Pertsch, R. Neuhaeuser, M. Becker, M. Rothhardt, F. Delplancke, A. Richichi, S. Menardi, C. Schmid.
#33 DFB laser diodes in the wavelength range from 760 nm to 2.5 µm;
J. Seufert, M. Fischer, M. Legge, J. Koeth, R. Werner, M. Kamp, A. Forchel, Spectroch. Acta Part A 60, 2004, pp. 3243-3247.
#46 TDLAS-based open-path laser hygrometer using simple reflective foils as scattering targets;
A. Seidel, S. Wagner, V. Ebert, Appl. Phys. B, 109, 3, Nov. 2012, pp. 497-504.
#47 High-speed tunable diode laser absorption spectroscopy for sampling-free in-cylinder water vapor concentration measurements in an optical IC engine;
O. Witzel, A. Klein, S. Wagner, C. Meffert, C. Schulz, V. Ebert, Appl. Phys. B, 109, 3, Nov. 2012, pp. 521-532.
#70 In situ H2O and temperature detection close to burning biomass pellets using calibration-free wavelength modulation spectroscopy;
Z. Qu, F.M. Schmidt, App. Phys. B, 2015, 119, pp. 45-53.
#71 Novel utilisation of a circular multi-reflection cell applied to materials ageing experiments;
D.A. Knox, A.K. King, E.D. McNaghten, S.J. Brooks, P.A. Martin, S.M. Pimblott, App. Phys. B, 2015, 119, pp. 55-64.
#149 Development of a dew/frost point temperature sensor based on tunable diode laser absorption spectroscopy and its application in a cryogenic wind tunnel;
W. Nie, Z. Xu, R. Kan, J. Ruan, L. Yao, B. Wang, Y. He, Sensors, Vol. 18, Iss. 8, 2018, 2704.