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DFB Laser
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760.8 nm
TOP Wavelength

Discover Our Wavelengths

Distributed Feedback Laser

760.8 nm
TOP Wavelength

DFB laser diodes at 760.8 nm are used for oxygen detection. Please have a look at the key features, specifications and applications.

Specifications
Mountings & Accessories
Applications
Papers & Links
Specifications
parameters
symbol
unit
minimum
typical
maximum
parameters

operating wavelength (at Top, Iop)
symbol

λop
unit

nm
minimum
typical

760.8
maximum
parameters

optical output power (at λop)
symbol

Pop
unit

mW
minimum
typical

6
maximum
parameters

operating current
symbol

Iop
unit

mA
minimum
typical

30
maximum
parameters

operating voltage
symbol

Vop
unit

V
minimum
typical

3
maximum
parameters

threshold current
symbol

Ith
unit

mA
minimum

5
typical

10
maximum

18
parameters

side mode suppression ratio
symbol

SMSR
unit

dB
minimum
typical

> 35
maximum
parameters

current tuning coefficient
symbol

CI
unit

nm / mA
minimum

0.010
typical

0.018
maximum

0.025
parameters

temperature tuning coefficient
symbol

CT
unit

nm / K
minimum

0.045
typical

0.054
maximum

0.060
parameters

operating chip temperature
symbol

Top
unit

°C
minimum

+20
typical

+25
maximum

+40
parameters

operating case temperature (non-condensing)
symbol

TC
unit

°C
minimum

-20
typical

+25
maximum

+55
parameters

storage temperature (non-condensing)
symbol

TS
unit

°C
minimum

-40
typical

+20
maximum

+80

Download data sheet
Mountings & Accessories
TO56 - the absolute basic

Download data sheet
  • 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

Download data sheet
  • 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
c-mount - basic OEM integration

Download data sheet
  • availability: 760 nm - 3000 nm
  • TEC: no TEC
  • NTC: no NTC
  • cap: NA
  • window: NA
  • plug&play: collimation required
  • size: low cost
SM-BTF - our fiber-coupled workhorse

Download data sheet
  • 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
chip on heatspreader - high-end OEM integration

Download data sheet
  • 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

Download data sheet
  • 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

Download data sheet
  • 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
H2O & O2
Monitoring of gas in the lungs and intestines of newborn infants: H2O and O2

Child mortality is high among preterm newborn infants. They are often affected by free gas in lungs and intestines, which may lead to the breakdown of vital organs. The current diagnosis is based on X-ray radiography. According to a study a bed-side, rapid, non-intrusive, and gas-specific technique for in vivo gas sensing would improve diagnosis and enhance the babies' chance of survival. The detection method is based on laser spectroscopy

[ 51 ]
O2
Power maximization of hypersonic aircraft engines: O2

The maximum power, fuel efficiency and stability of hypersonic aircraft engines depend on the captured air volume. Monitoring the oxygen concentration and velocity are important measures to define the airflow.

O2 & CO
Combustion control in high temperature processes: O2 and CO

Oxygen control enhances process and cost efficiency of incinerators. Oxidation requires excess air. But too much air cools down the combustion and increases the amount of CO in the flue gas. Real-time and in situ monitoring helps to optimize the oxygen content in combustion processes.

[ 157 , 154 , 3 ]
Papers & Links
# 3 Gas monitoring in the process industry using diode laser spectroscopy
I. Linnerud, P. Kaspersen, T. Jaeger, Appl. Phys. B, 67, 1998, pp. 297-305,
# 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,
# 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,
# 63 Breath Analysis Using Laser Spectroscopic Techniques: Breath Biomarkers, Spectral Fingerprints, and Detection Limits
C. Wang and P. Sahay, Sensors, 9, 2009, 8230 - 8262,

Optical properties

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

Spectrum 761 nm DFB

Typical spectrum of a nanoplus 761 nm distributed feedback laser diode
Tuning 761 nm DFB

Typical mode hop free tuning of a nanoplus 761 nm distributed feedback laser diode

PI Curve 761 nm DFB

Typical power, current and voltage characteristics of a nanoplus 761 nm distributed feedback laser diode

Learn more

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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