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795nm 0.1mW TO46 VCSEL Laser Diode with TEC
The 795 nm TEC-cooled TO-packaged VCSEL is a vertically-emitting single-mode gallium arsenide laser diode grown via MOVPE process. Adopting TO package with built-in Thermoelectric Cooler (TEC), it realizes precise wavelength tuning through both laser drive current adjustment and temperature control, and is specially designed for TDLAS applications.
Product features:Integrated TEC temperature control system;Ultra-narrow linewidth output;Low wavelength drift;Stable single-mode lasing performance;Long service life design
Part Number:MP-VCS-795-0.1-TO46-TEC
Application area:Optical Fiber Communication | Gas Sensing | 3D Sensing | Medical Devices | Quantum Technology
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Center Wavelength
795nm

Product key indicators
(Heat settling temperature TSubmount=90°C, ambient temperature Tambient=25±5°C).
Parameters | symbol | unit | Min. value | Typical values | Max. value | Note: |
Threshold current | Ith | mA | - | - | 1 | CW |
Luminous power | POUT | mW | 0.1 | - | - | CW,IFLD=1.4mA |
Slope efficiency | SE | mW/mA | - | 0.2 | - | CW,IFLD=Ith~2mA |
Peak wavelength | λP | nm | - | 795 | - | CW,IFLD=1.4mA |
Edge mold suppression ratio | SMSR | dB | 20 | - | - | CW,IFLD=1.4mA |
Peak wavelength temperature drift coefficient | ∆λP/∆TSubmount | nm/℃ | - | 0.055 | - | CW,IFLD=1.4mA,TSubmount=80~100℃ |
Peak wavelength current drift coefficient | ∆λP/∆IFLD | nm/mA | - | 0.3 | - | CW,IFLD=Ith~2mA |
Limit parameter (TAmbient=25±5°C).
Parameters | symbol | unit | Min. value | Max. value |
TEC operating current | ITEC | A | - | 0.46 |
TEC operating voltage | VTEC | V | - | 1.85 |
Spectrum
Laser power test curve

Drive voltage
Package size and pin definition
Pin # | Function |
1 # | Case |
2 # | Rth |
3 # | TEC+ |
4 # | VCSEL+ |
5 # | TEC- |
6 # | VCSEL-/Rth |
Notes:
This product has laser emission during operation, and it is strictly forbidden to irradiate any part of the human body with laser;
This product is an electrostatic sensitive device, please operate and use it in the electrostatic protection area, and make sure that the tools that are in direct contact with the device are grounded in a standardized manner; Improper operation and use will cause irreversible damage to the product;
This product has an optical window, please handle it with caution when using and storing to avoid dirt and damage to the optical window.
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