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766.700nm DBR laser diode
The 766.700nm DBR series high-performance edge-emitting laser diodes are based on Advanced OptoElectronic's state-of-the-art monolithically integrated single-frequency gallium arsenide (GaAs) laser technology. These laser diodes deliver a single spatial mode beam and feature passivated facet design to ensure high reliability. The 766.700nm DBR devices are ideal for potassium (K)-based atomic spectroscopy applications. The series is spectrally certified to precisely cover the potassium D2 transition line over an ambient temperature range of ±10°C.
Product features:Precise matching of atomic energy levels;excellent spectral performance;professional packaging and control interfaces
Part Number:MP-DBR-766-60-14BF-PA
Application area:Potassium Atomic Physics and Quantum Technologies | Precision Spectroscopy
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Center Wavelength
766 nm

Model Parameters
Detailed parameters
780.241nm (COS) package characteristics
Chip architecture | |
Parameter 1 | High power |
Nominal wavelength (nm)2 | 766.700 ± 0.6 |
Power range (mW) | 40–80 |
Maximum Operating Current (CW & Pulsed) (mA) | 200 |
Optical power at maximum operating current (mW) | 80 |
Nominal Slope Efficiency (W/A) | 0.8 |
Nominal threshold current (mA) | 100 |
1. Unless otherwise noted, all parameters are measured at a junction temperature of 25°C. If used outside of these parameters, the warranty will be void
2. The sealed package may contain a chip-on-substrate (CoS) with a deviation of ±1.2 nm from the nominal value.
3. High temperature characteristics are specified at 65 degrees Celsius.
Available free-space package add-ons
Laser specifications
Parameters | unit | Minimum | Typical values | Maximum |
Storage temperature | °C | 0 | - | 70 |
Shell operating temperature | °C | 5 | - | 70 |
Laser chip operating temperature ¹ | °C | 5 | - | 45 |
Laser series resistance | Ω | - | 2 | - |
Forward voltage of the laser at LIV current | V | - | 2 | - |
Nominal laser line width at LIV current | kHz | - | 500 | - |
Beam divergence angle at half-height and full width (θ|| × θ⊥) | º | - | 6 x 28 | 8 x 32 |
Edge-mode rejection ratio (SMSR) | dB | - | -40 | - |
Polarization extinction ratio | dB | -17 | -20 | - |
Polarized state of the laser | TE | |||
Pattern structure | Basic mode | |||
Temperature tuning rate | nm/°C | - | 0.06 | - |
Current tuning rate | nm/mA | - | 0.002 | - |
Laser reverse voltage | V | - | - | 0 |
If not sealed, it is not recommended to use below the dew point
Freespace Encapsulation add-on specifications
Parameters | unit | Minimum | Typical values | Maximum |
Photodiode forward current | mA | - | - | 10 |
Photodiode reverse voltage | V | - | - | 50 |
TEC Current (TOSA) | A | -1.1 | - | 1.1 |
TEC Voltage (TOSA) | V | -3.0 | - | 3.0 |
TEC current TO-8 | A | -1.8 | - | 1.8 |
TEC voltage TO-8 | V | -2.2 | - | 2.2 |
Thermistors | kΩ | - | 10 | - |
Handling Precautions
These devices are sensitive to ESD. When handling the module, grounded work area and wrist strap must be used. Always store in an antistatic container with all leads shorted together.

Characteristics of air wavelength changes with temperature under constant current conditions


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