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1090nm DBR Laser Diode
The 1090 nm DBR series high-performance edge-emitting laser diodes adopt advanced monolithic single-frequency GaAs laser technology. This laser series provides single spatial mode beam output and employs facet passivation treatment to ensure reliability. The 1090 nm DBR devices are widely used in strontium-based atomic spectroscopy applications.
Product features:High output power; ultra-narrow linewidth; outstanding single-mode performance; excellent beam quality
Part Number:MP-DBR-1090-180-14BF-PA
Application area:Fiber lasers | Nonlinear optics | Precision measurement
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Center Wavelength
1090nm

Model Parameters
Detailed parameters

1090nm (COS) package characteristics
Chip architecture | |
Parameter 1 | Low power |
Nominal wavelength (nm)2 | 1090 ± 1.0nm |
Power range (mW) | 40–180 |
Maximum Operating Current (CW & Pulsed) (mA) | 250 |
Optical power at maximum operating current (mW) | 180 |
Nominal Slope Efficiency (W/A) | 0.8 |
Nominal threshold current (mA) | 50 |
1. Characteristics at TC = 25 °C unless otherwise specified. Operating outside of these parameters voids warranty.
2. Hermetically sealed packages may contain CoS that are ± 1.2 nm from nominal.
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 | Fundamental 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.



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