Distributed Feedback Lasers: 6000 nm - 14000 nm

nanoplus offers DFB quantum cascade lasers at any wavelength between 6000 nm and 14000 nm.

TO3 header

Key features of nanoplus DFB quantum cascade lasers

  • monomode
  • pulsed operation
  • room temperature
  • tunable
  • custom wavelengths

Why choose nanoplus DFB quantum cascade lasers

  • stable longitudinal and transversal single mode emission
  • precise selection of target wavelength
  • narrow laser line width
  • mode-hop-free wavelength tunability
  • fast wavelength tuning
  • small size
  • easy usability
  • high efficiency
  • long-term stability

For more than 15 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 20,000 installations worldwide prove the reliability of nanoplus lasers.

Quick description of nanoplus DFB 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 quantum cascade lasers between 6000 nm and 14000 nm

Specifications

Mountings & Accessories

Applications

Papers & Links

The following table summarizes the typical DFB laser specifications in the 6000 nm to 14000 nm range:

parameters (T = 25 °C)symbolunitminimumtypicalmaximum
wavelength precisionδnm0.1
average output powerPavgmW1320
peak output powerPpeakmW101001000
pulsed operation currentIfmA10003600
pulsed threshold currentlthmA5002000
direct current tuning coefficientCInm / mA0.050.2
temperature tuning coefficientCTnm / K0.45 @ 6 µm1.1 @ 14 µm
operating voltageVopV101520
peak slope efficiencyemW / A200500800
repetition frequencyfkHz0.0011002000
pulse lengthtns21003000
duty cycled. c.%0310
side mode suppression ratioSMSRdB> 35
slow axis (FWHM)degrees202530
fast axis (FWHM)degrees506070
emitting areaW x Hµm x µm15 x 420 x 530 x 6
storage temperatureTS°C-402080
operational temperature at caseTC°C-20+25+80

nanoplus DFB lasers show outstanding spectral, tuning and electrical properties. They are demonstrated in figures 1 - 3. Click on the graphics to enlarge.

Figure 1: Spectrum of nanoplus 9800 nm DFB quantum cascade laser
Figure 1: Spectrum of nanoplus 9800 nm DFB quantum cascade laser
Figure 2: Mode hop free tuning of nanoplus 9800 nm DFB quantum cascade laser
Figure 2: Mode hop free tuning of nanoplus 9800 nm DFB quantum cascade laser
Figure 3: Typical power, voltage and current characteristics of nanoplus 9800 nm DFB quantum cascade laser
Figure 3: Typical power, voltage and current characteristics of nanoplus 9800 nm DFB quantum cascade laser

If you are uncertain whether you require a DFB laser, compare the specifications with our Fabry Perot Lasers or contact us.

Free space mounting

The TO3 header is hermetically sealed with a cap and window.

TO3 header
with TEC
and thermistor,
cap and window
TO3 header

Accessories

Collimation for TO3 header offers collimated beam shape

TO3 header
with
cap and lens
TO3 header
with
cap and lens

Application samples will follow soon.

For detailed absorption data, please refer to HITRAN database.

Figure 4: Absorption features in 6000 nm to 14000 nm range

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.

#11 Quantum cascade laser linewidth investigations for high resolution photoacoustic spectroscopy;
M. Germer, M. Wolff, Appl. Opt. 48, 4, 2009, pp. B80-B86.

#31 QCL based NO Detection;
M. Wolff, J. Koeth, L. Hildebrandt, P. Fuchs; 16th International Conference on Photoacoustic and Photothermal Phenomena.

#40 Comb-assisted spectroscopy of CO2 absorption profiles in the near- and mid-infrared regions;
A. Gambetta, D. Gatti, A. Castrillo, N. Coluccelli, G. Galzerano, P. Laporta, L. Gianfrani, M. Marangoni, Appl. Phys. B, 109, 3, Nov. 2012, pp. 385-390.

#49 Spectroscopic monitoring of NO traces in plants and human breath: applications and perspectives;
S. M. Cristescu, D. Marchenko, J. Mandon, K. Hebelstrup, G. W. Griffith, L. A. J. Mur, F. J. M. Harren, Appl. Phys. B, 109, 3, Nov. 2012, pp. 203-211.

#56 Widely tunable quantum cascade lasers with coupled cavities for gas detection;
P. Fuchs, J. Seufert, J. Koeth, J. Semmel, S. Hoefling, L. Worschech, A. Forchel, App. Phys. Lett., 97, 2010, 181111.

#57 Distributed feedback quantum cascade lasers at 13.8 µm on indium phosphide;
P. Fuchs, J. Semmel, J. Friedl, S. Hoefling, J. Koeth, L. Worschech, A. Forchel, Appl. Phys. Lett. 98, 2011, 211118.

#60 Single mode quantum cascade lasers with shallow-etched distributed Bragg reflector;
P. Fuchs, J. Friedl, S. Hoefling, J. Koeth, A. Forchel, L. Worschech, M. Kamp, Opt. Expr., 20, 4, 2012, pp. 3890-3897.

#80 Single-mode interband cascade lasers emitting below 2.8 μm;
J. Scheuermann, R. Weih, M. v. Edlinger, L. Nähle, M. Fischer, J. Koeth, M. Kamp, S. Höfling, Appl. Phys. Lett. 106, 2015, 161103.

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