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nanoplus Nanosystems and Technologies GmbH Products DFB Laser 760 - 830 nm

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Distributed Feedback Laser

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760 nm - 830 nm Distributed Feedback Laser

Select your target wavelength at any wavelength between 760 nm and 830 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 5	maximum
parameters operating current	symbol I_op	unit mA	minimum	typical 30	maximum
parameters operating voltage	symbol V_op	unit V	minimum	typical 3	maximum
parameters threshold current	symbol I_th	unit mA	minimum 5	typical 15	maximum 30
parameters side mode suppression ratio	symbol SMSR	unit dB	minimum	typical > 35	maximum
parameters current tuning coefficient	symbol C_I	unit nm / mA	minimum 0.010	typical 0.020	maximum 0.025
parameters temperature tuning coefficient	symbol C_T	unit nm / K	minimum 0.04	typical 0.05	maximum 0.07
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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Mountings & Accessories

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

SM-BTF - our fiber-coupled workhorse

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availability: 760 nm - 5500 nm
TEC: integrated TEC
NTC: integrated NTC

plug&play: fiber-coupled beam
size: large footprint
costs: higher cost than free space

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

chip on heatspreader - high-end OEM integration

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

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

Heatsink for TO5 / TO66

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availability: 760 nm - 6500 nm
NTC: integrated (optional)
heat distribution: warranted
connectors: for laser diode driver & temperature controller
posts: M6 thread for optical table

cage system: standard
collimation: none

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

Applications

Gas Detection

760 nm - 830 nm

Lasers in the 760 nm to 830 nm window are used for oxygen detection, atom absorption spectroscopy and frequency conversion purposes.

[ 209 , 171 ]

Papers & Links

# 209 Measurements of Temperature and Enthalpy in NASA Ames 60-MW Arcjet using Atomic Oxygen and Atomic Nitrogen Absorption

P. M. Finch, Z. N. Granowitz, C. L. Strand, M. E. MacDonald, R. K. Hanson, AIAA SCITECH 2023 Forum, 2023,

# 171 Orion LAMS Laser Absorption Spectrometer for Human Spaceflight - Flight Unit Build and Test Results

J. Pohly, L. Christensen, M. Skow, K. Mansour, International Conference on Environmental Systems, July, 31st, 2020,

# 51 Noninvasive monitoring of gas in the lungs and intestines of newborn infants using diode lasers: feasibility study

P. Lundin, E.K. Svanberg, L. Cocola, M.L. Xu, G. Somesfalean, S. Andersson-Engels, J. Jahr, V. Fellman, K. Svanberg, S. Svanberg , Journal of Biomedical Optics, 18 (12), December 2013, 127005,

# 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.,

# 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,

Optical properties

nanoplus distributed feedback lasers show outstanding spectral, tuning and electrical properties.

Spectrum 795 nm DFB

Typical spectrum of a nanoplus 795 nm distributed feedback laser diode

Tuning 795 nm DFB

Typical mode hop free tuning of a nanoplus 795 nm distributed feedback laser diode

PI Curve 795 nm DFB

Typical power, current and voltage characteristics of a nanoplus 795 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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