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857nm 200mW DPSS NIR Single Frequency Laser
689/698/813/857nm lasers are specifically designed for deployment in systems utilizing rubidium transitions. With outstanding beam characteristics, ultra-stable output, and an ultra-compact package, they are ideal for demanding applications requiring these wavelengths.
Product features:Precise wavelength; Single frequency narrow linewidth; Continuous wave output; All solid-state design; Low noise performance
Part Number:MP-DPSS-857-200
Application area:Cold atom physics | Quantum simulation | Precision measurement | Quantum communication | Scientific instruments
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Wavelength Output Power Spectral Bandwidth
857nm 200mW ≤ 200kHz

Detailed Parameters
Parameter | MP-DPSS-689-50 | MP-DPSS-698-200 | MP-DPSS-780-400 | MP-DPSS-813-200 | MP-DPSS-857-200 |
Output Power | Up to 50mW | Up to 200mW | Up to 400mW | Up to 200mW | |
Wavelength | 689.4 nm | 698 nm | 780 nm | 813 nm | 857nm |
Spectral Width | ≤200kHz | ||||
Spatial Mode | TEM00 | ||||
Spectral Stability | <100fm (over >8 hours operation) | ||||
Coherence Length | >100 m | ||||
Output Power Stability | ≤1.0%(over >8 hours operation, peak to peak) | ||||
Output Power Noise | ≤0.1%RMS(10Hz-10MHz) | ||||
Beam Divergence | 1.0 mrad.diffraction-limited | ||||
Beam Diameter at Output Aperture | 0.8-1.2 mm | ||||
Beam Pointing Stability | ≤5 μad/℃ | ||||
Laser Head Dimensions | 210x100×80 mm | ||||
Control Unit Dimensions | 180×50×60mm | ||||
Ambient Temperature Range | 18-30℃ | ||||
Laser Head Interface Stability | ±1.5℃ | ||||
Storage Temperature | 0-50℃ | ||||
Humidity | 0-50 %non-condensing | ||||
Laser Head | Hermetically sealed | ||||
Integrated Features | |||||
Plug-and-play USB connection | Integrated heat sink | ||||
Multi-function control software | Remote diagnostic support | ||||
Optional Accessories | |||||
Heat sink | Fan-assisted air cooling or water-cooled thermoelectric chiller | ||||
External manual power control | 0-100%, continuous | ||||
Warranty
12-month warranty for the laser head and controller.
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