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1742 nm TOP Wavelength

Discover Our Wavelength

Distributed Feedback Laser

1742 nm TOP Wavelength

DFB laser diodes at 1742.0 nm are used for hydrogen chloride 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

1742.0 nm

maximum
parameters

optical output power (at λop)

symbol

Pop

unit

mW

minimum
typical

5

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

0.02

maximum

0.03

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

Specifications
Heatsink for TO5 with collimation
  • 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
  • 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
  • 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
  • Availability: 760 nm - 3000 nm
  • TEC: no TEC
  • NTC: no NTC
  • cap: NA
  • window: NA
  • plug&play: collimation required
  • size: low cost
PM-BTF - high-end fiber coupling
  • 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
SM-BTF - our fiber-coupled workhorse
  • Availability: 760 nm - 2360 nm
  • TEC: integrated TEC
  • NTC: integrated NTC
  • plug&play: fiber-coupled beam
  • size: large footprint
  • costs: higher cost than free space
TO56 - the absolute basic
  • 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
  • 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

Optical properties

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

Spectrum 1742 nm DFB

Typical spectrum of a nanoplus 1742 nm distributed feedback laser diode

Tuning 1742 nm DFB

Typical mode hop free tuning of a nanoplus 1742 nm distributed feedback laser diode

PI Curve 1742 nm DFB

Typical power, current and voltage characteristics of a nanoplus 1742 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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