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Distributed Feedback Laser

2600 nm - 2900 nm Distributed Feedback Laser

Select your target wavelength at any wavelength between 2600 nm and 2900 nm. The table below presents typical specifications, available mountings as well as application references & further reading.

Specifications

Mountings & Accessories

Applications

Papers & Links

Specifications

parameters	symbol	unit	minimum	typical	maximum
parameters operating wavelength (at T_op, I_op)	symbol λop	unit nm	minimum	typical 0.1 nm	maximum
parameters optical output power (at λ_op)	symbol P_op	unit mW	minimum	typical 2	maximum
parameters operating current	symbol I_op	unit mA	minimum	typical 100	maximum
parameters operating voltage	symbol V_op	unit V	minimum	typical 2.3	maximum
parameters threshold current	symbol I_th	unit mA	minimum 30	typical 50	maximum 80
parameters side mode suppression ratio	symbol SMSR	unit dB	minimum	typical > 35	maximum
parameters current tuning coefficient	symbol C_I	unit nm / mA	minimum 0.01	typical 0.02	maximum 0.05
parameters temperature tuning coefficient	symbol C_T	unit nm / K	minimum 0.15	typical 0.20	maximum 0.28
parameters operating chip temperature	symbol T_op	unit °C	minimum +20	typical +25	maximum +50
parameters operating case temperature (non-condensing)	symbol T_C	unit °C	minimum -20	typical +25	maximum +50
parameters storage temperature (non-condensing)	symbol T_S	unit °C	minimum -40	typical +20	maximum +80

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Specifications

Heatsink for TO5 with collimation

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Availability: 760 nm - 1850 nm
heat distribution: warranted
connectors: for laser diode driver & temperature controller
posts: M6 thread for optical table

cage system: standard
collimation: collimation with up to 40 % power loss

Heatsink for TO5 / TO66

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Availability: 760 nm - 6500 nm
heat distribution: warranted
connectors: for laser diode driver & temperature controller
posts: M6 thread for optical table

cage system: standard
collimation: none

chip on heatspreader - high-end OEM integration

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Availability: 760 nm - 6000 nm
TEC: no TEC
NTC: integrated TEC
cap: NA

window: NA
plug&play: collimation required
size: smallest footprint
costs: low cost

c-mount - basic OEM integration

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Availability: 760 nm - 3000 nm
TEC: no TEC
NTC: no NTC
cap: NA

window: NA
plug&play: collimation required
size: low cost

TO56 - the absolute basic

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Availability: 760 nm - 3000 nm
TEC: no TEC
NTC: no NTC
cap: uncoated cap (optional)

window: uncoated window (optional)
plug&play: collimation required
size: small footprint
costs: low cost

TO5 - our workhorse

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Availability: 760 nm - 3000 nm
TEC: integrated TEC
NTC: integrated NTC
cap: AR coated cap (optional)

window: AR coated window (optional)
plug&play: collimation required
size: small footprint
costs: low cost

Mountings & Accessories

Typical Applications

2600 nm - 2900 nm

Water vapour, hydrogen fluoride, hydrogen sulfide, nitrogen oxide, nitrous oxide and carbon dioxide show absorption features in the wavelength window between 2600 nm and 2900 nm.

Papers & Links

# 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, 10, 2010, pp. 2492-2510.,

# 12 CO2 concentration and temperature sensor for combustion gases using diode-laser absorption near 2.7 µm

A. Farooq, J.B. Jeffries, R.K. Hanson, Appl. Phys. B, 90, 2008, pp. 619-628.,

# 30 Kalman filtering real-time measurements of H2O isotopologue ratios by laser absorption spectroscopy at 2.73 µm

T. Wu, W. Chen, E. Kerstel, E. Fertein, X. Gao, J. Koeth, Karl Roessner, D. Brueckner , Opt. Lett., 35, 5, 2010, pp. 634.636.,

# 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.,

# 44 High sensitivity Faraday rotation spectrometer for hydroxyl radical detection at 2.8 µm

W. Zhao, G. Wysocki, W. Chen, W. Zhang , Appl. Phys. B, 109, 3, November 2012, pp. 511-519.,

# 65 H2O temperature sensor for low-pressure flames using tunable Diode laser Absorption near 2.9 µm

S. Li, A. Farooq, R.K. Hanson, Meas. Sci. Technol., 22, 2011, pp. 125301-125311.,

# 69 A quartz-enhanced photoacoustic sensor for H2S trace-gas detection at 2.6µm

S. Viciani, M. Siciliani de Cumis, S. Borri, P. Patimisco, A. Sampaolo, G. Scamarcio, P. De Natale, F. D'Amato, V. Spagnolo, App. Phys. B, 119, 2015, pp. 21-27,

# 73 Time-multiplexed open-path TDLAS spectrometer for dynamic, sampling-free, Interstitial H218O and H216O vapor detection in ice clouds

B. Kuehnreich, S. Wagner, J.C. Habig, O. Moehler, H. Saathoff, V. Ebert , App. Phys. B, 119, 2015, pp. 177-187.,

# 76 Diode laser-based trace detection of hydrogen-sulfide at 2646.3 nm and hydrocarbon spectral interference effects

R. Sharma, C. Mitra, V. Tilak, 55(3) , Opt. Eng. , 55 (3), 14th March 2016, 037106,

# 96 Fiber-coupled 2.7 μm laser absorption sensor for CO2 in harsh combustion environments

R. M. Spearrin, C. S. Goldenstein, J. B. Jeffries and R. K. Hanson, Meas. , Sci. Technol., 24.April.2013, 055107.,

# 99 A photonic platform for donor spin qubits in silicon

K. J. Morse, R. J. S. Abraham, A. DeAbreu, C. Bowness, T. S. Richards, H. Riemann, N. V. Abrosimov, P. Becker, H.-J. Pohl, M. L. W. Thewalt, S. Simmons , Sci. Adv., Vol. 3, No.7, 2017, e1700930.,

# 126 Contrast enhancement of surface layers with fast middle-infrared scanning

T. Kümmel, T. Teumer, P. Dörnhofer, F.-J. Methner, B. Wängler, M. Rädle, Heliyon, Vol. 5, Iss. 9, September 2019,

# 155 Time-resolved CO2 concentration and ignition delay time measurements in the combustion processes of n-butane/hydrogen mixtures

H. Dong, P. Zhimin, D. Yanjun, Combustion and Flame, Vol. 207, 2019, 222 - 231,

# 156 Ignition-delay-time/time-resolved CO2-concentration measurements during the combustion of iC4H10/H2 mixtures

D. He, Z. Peng, Y. Ding, Fuel, Vol. 284, 2021,

# 159 Direct absorption spectroscopy baseline fitting for blended absorption features

J. M. Weisberger, J. P. Richter, R. A. Parker, P. E. DesJardin, Appl. Optics, 2018,

Optical properties

Spectrum 2740 nm DFB

Typical spectrum of a nanoplus 2740 nm distributed feedback laser diode

Tuning 2740 nm DFB

Typical mode hop free tuning of a nanoplus 2740 nm distributed feedback laser diode

PI Curve 2740 nm DFB

Typical power, current and voltage characteristics of a nanoplus 2740 nm distributed feedback laser diode

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Product Brief

More information

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.

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