P R O D U C T S
257nm Laser
Based on single frequency seed laser, fiber laser amplification and high efficiency frequency conversion technology, Precilasers can provide narrow linewidth lasers of 257nm with a maximum output of 1W, high frequency stability, long lifetime and excellent beam quality.
Features
- Long life
- High Power
- Narrow Linewidth
- Excellent Beam Quality
- Never Mode-hop
Application
- Precision Measurement
- Semiconductor Inspection
Main parameters
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Specification |
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Partnumber |
FL-SF-257-X-CW |
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Center Wavelength |
257.00nm |
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Linewidth (2) (100 us integration) |
<50kHz |
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Operation Mode |
Continuous |
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Output Power |
>30mW |
>100mW |
>500mW |
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Beam Waist Diameter |
1±0.15 mm |
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Beam Waist Location Relative to Output Window (m) |
Front bezel of Rayleigh Range±0.5m |
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Beam Divergence (Full Angle) |
<0.5mrad |
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Beam Ellipticity |
0.9-1.1 |
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Pointing Stability (peak to peak) |
<50μrad@3h |
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Beam Quality |
TEM00，M²<1.3 |
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Polarization |
Linear, Vertical ±3°, >20dB |
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Power Stability |
<1% @3hours, RMS |
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Relative Intensity Noise |
<0.2%(RMS, 10Hz-10MHz integration) |
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Cooling |
Air Cooling/Water cooling |
Water cooling |
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Warm-up Time |
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Cold Start |
<2 hours |
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From Standby |
<15 minutes |
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Dimensions & Weights |
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Laser Head Dimensions |
≤460mm x 420mm x 133mm （30mW,100mW） |
≤483mm x 304mm x 133mm (500mW,1W) |
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Laser Controller Dimensions |
≤390mm x 310mm x 130mm （30mW,100mW） |
≤300mm x 530mm x 139mm （500mW,1W） |
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Chiller Dimensions |
≤58cm x 29cm x 52cm |
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Laser Head Weight |
≤20kg |
≤25kg |
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Laser Controller Weight |
≤25kg |
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Chiller Weight |
≤25kg |
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Cable Length between Controller and Head |
Non-detachable optical fiber length>1.5m |
Detachable cable length＞5m |
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Operating Environment & Power Supply |
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Temperature (without condensation) |
15-30 ℃（Air Cooling） |
15-35 ℃（Water cooling） |
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Power Supply |
100V-240V, AC, 50/60Hz |
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Power Consumption |
<120W |
<120W |
<130W |
<140W |
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Communication |
RS422 |
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Higher power, more wavelengths, customizable solutions
