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737 nm DBR Laser Diode
The 737 nm DBR series high-performance edge-emitting laser diodes are based on advanced monolithic single-frequency GaAs laser technology.This laser series delivers a single spatial mode beam and features end-face passivation processing to ensure high reliability.Devices in the 737 nm DBR series are widely used for frequency doubling, ytterbium atomic spectroscopy, and Raman applications.
Product features:Single longitudinal mode output; ultra-narrow linewidth; high side-mode suppression ratio
Part Number:MP-DBR-737-40-14BF-PA
Application area:Atomic / Molecular Physics | High‑Resolution Spectroscopy | Biomedical Imaging | Quantum Technology
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Central Wavelength
737 ± 0.6nm

Specifications
737 nm DBR Chip-on-Submount (CoS) Characteristics
Chip Configuration
Parameter | Value |
Nominal Wavelength | 737 ± 0.6 nm |
Power Range | 40–80 mW |
Max Operating Current (CW & Pulsed) | 200 mA |
Optical Power at Max Current | 80 mW |
Nominal Slope Efficiency | 0.8 W/A |
Nominal Threshold Current | 80 mA |
Notes
All characteristics are measured at case temperature T C=25 ∘C unless otherwise noted. Operation beyond these parameters will void the warranty.
Hermetically packaged devices may contain Chip‑on‑Submount (CoS) with wavelength deviation of ±1.2 nm from the nominal value.
Available Free-Space Packaging Add-Ons
Laser Diode Parameters
Parameter | Unit | Min. | Typ. | Max. |
Storage Temperature | ℃ | 0 | – | 70 |
Case Operating Temperature | ℃ | 5 | – | 70 |
Laser Chip Operating Temperature¹ | ℃ | 5 | – | 45 |
Laser Series Resistance | Ω | – | 2 | – |
Laser Forward Voltage @ LIV Current | V | – | 2 | – |
Laser Linewidth (Typ. @ LIV Current) | kHz | – | 500 | – |
Beam Divergence @ FWHM (θ× θ⊥) | ° | 6×28 | 8×32 | |
Side Mode Suppression Ratio (SMSR) | dB | – | -40 | – |
Polarization Extinction Ratio | dB | -17 | -20 | – |
Laser Polarization | – | – | TE | – |
Mode Structure | – | – | Fundamental Mode | – |
Temperature Tuning Rate | nm/℃ | – | 0.06 | – |
Current Tuning Rate | nm/mA | – | 0.002 | – |
Laser Reverse Voltage | V | – | – | 0 |
Operation below dew point is not recommended unless hermetically packaged.
Free-Space Package Add-Ons
Parameter | Unit | Min. | Typ. | Max. |
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 |
Thermistor Resistance | kΩ | – | 10 | – |
These devices are sensitive to electrostatic discharge (ESD).
When handling the modules, use a grounded work area and an anti-static wrist strap.
For storage, always keep them in an anti-static container with all leads short-circuited.



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