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QPhotonics QSDM-840-5 Superluminescent Light Emitting Diode (SLD) with a wavelength of 840nm
QPhotonics QSDM-840-5 Superluminescent Light Emitting Diode (SLD) with a wavelength of 840nm
Product details
Product attributes
Internal temperature ° C | 25 |
Thermistor k? | 10 |
Optical output power mW | 5 |
Working current mA | 192 |
Working voltage V | 1.93 |
Monitoring current mA | 9.81 |
Monitor dark current mA | 0.0 |
Center wavelength nm | 839.1 |
Spectral width nm | 17.55 |
Connector | FC/APC nothing |
Product Introduction:
The QSDM-840-5 type superluminescent diode (SLD) from QPHOTONICS has characteristics between laser diodes and light-emitting diodes, and is a broadband semiconductor light source that utilizes semiconductor superluminescent emission.
Product features:
1. High power, wide spectrum
2. Low spectral ripple
3. Built in monitoring photodiode
4. Continuous light or pulse working mode, with a switching time of 10ns
5. Dual AR coating, reflectivity<0.05%
6. Working temperature range from -40 ℃ to+40 ℃
7. Single mode fiber tail (Corning HI780, NA=0.14, MFD= 4.5um@780nm , 5um@850nm )
8. Optional FC/APC connector
Application areas:
1. Optical sensing
2. Optical measurement
3. Coherence tomography
Product Structure Diagram:

Emission spectrum:

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