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DFB Laser
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1512.2 nm
TOP Wavelength

Discover Our Wavelengths

Distributed Feedback Laser

1512.2 nm
TOP Wavelength

DFB laser diodes at 1512.2 nm are used for ammonia 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

1512.2
maximum
parameters

optical output power (at λop)
symbol

Pop
unit

mW
minimum
typical

8
maximum
parameters

operating current
symbol

Iop
unit

mA
minimum
typical

70
maximum
parameters

operating voltage
symbol

Vop
unit

V
minimum
typical

2
maximum
parameters

threshold current
symbol

Ith
unit

mA
minimum

10
typical

25
maximum

30
parameters

side mode suppression ratio
symbol

SMSR
unit

dB
minimum
typical

> 35
maximum
parameters

current tuning coefficient
symbol

CI
unit

nm / mA
minimum

0.008
typical

0.015
maximum

0.02
parameters

temperature tuning coefficient
symbol

CT
unit

nm / K
minimum

0.07
typical

0.10
maximum

0.14
parameters

operating chip temperature
symbol

Top
unit

°C
minimum

+20
typical

+25
maximum

+50
parameters

operating case temperature (non-condensing)
symbol

TC
unit

°C
minimum

-20
typical

+25
maximum

+50
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

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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
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
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
PM-BTF - high-end fiber coupling

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  • availability: 1064 nm - 2050 nm
  • TEC: integrated TEC
  • NTC: integrated NTC
  • plug&play: fiber-coupled beam
  • size: large footprint
  • costs: higher costs 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

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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

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
NH3
Monitoring of breath gas: NH3

Ammonium is used as a biomarker for helicobacter pylori infections. These infections are responsible for stomach ulcers. Breath analysis diagnoses the disease in a non-invasive way sparing patients a disagreeable gastroscopy.

[ 63 ]
NOx
Emission control: NOx

NH3 is added in combustion processes to reduce emissions of the flue gas NOx. The two compounds will react to uncritical N2 and H2O. To avoid any corrosive or environmental effects from overuse, the gas volume needs to be continuously monitored.

[ 178 , 117 , 116 , 72 , 3 ]
Papers & Links

Optical properties

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

Spectrum 1512 nm DFB

Typical spectrum of a nanoplus 1512 nm distributed feedback laser diode

Tuning 1512 nm DFB

Typical mode hop free tuning of a nanoplus 1512 nm distributed feedback laser diode

PI Curve 1512 nm DFB

Typical power, current and voltage characteristics of a nanoplus 1512 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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