795nm SM VCSEL with TEC, Narrow linewidth, Tolerance ±0.5nm, TO46
| Part Number : PL -VCSEL-0795-1-A81-TO46 |
| Unit Price : USD [Please inquire] |
| Lead time : in stock |
| Inventory quantity : [Please inquire] |
| Stock NO. : A80040008 |
| Email UsRequest for Quotation |
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795nm cooled TO VCSEL is a vertically emitting MOVPE grown GaAs single-mode diode laser. The chip is TO packaged. Built-in TEC, wavelength tuning can be achieved by laser current and temperature tuning. Designed specifically for TDLAS.
Features
● Chip technology: GaAs VCSEL
● Infrared laser wavelength: 795nm
● Radiation profile: single mode
● ESD: electrostatic protection 250V
Heat sink temperatureTSubmount=90℃ Ambient temperatureTAmbient=25±5℃
Optical indicators | Symbol | Unit | Min | Typ | Max | Note |
Threshold current | Ith | mA | - | - | 1 | CW |
Output 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 |
Side mode 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 parameters(TAmbient=25±5℃)
Optical indicators | Unit | Min | Typ | Max | Note |
TEC operating current | mA | - | - | 1 | CW |
TEC operating voltage | mW | 0.1 | - | - | CW,IFLD=1.4mA |
Spectrum

Laser power test curve

Driving voltage

Package size and pin definition (unit: mm, tolerance not specified: ±0.3)


Pin# | Function | Pin# | Function |
1# | Case | 4# | VCSEL+ |
2# | Rth | 5# | TEC- |
3# | TEC+ | 6# | VCSEL-/Rth |
Application
● Atomic clock
● Magnetometerr
Precautions
This product emits laser when it is working. It is strictly forbidden to irradiate any part of the human body with laser.
This product is an electrostatically sensitive device. Please operate it in an electrostatically protected area and ensure that the tools that come into direct contact with the device are properly grounded. Improper operation and use will cause permanent and irreversible damage to the product.
This product has an optical window. Please be careful when using and storing it to avoid dirt or damage to the optical window.