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Stable frequency HeNe laser
Model: SL 02/03/04 High stability in frequency (wavelength), suitable for frequency reference and coherent measurement, German quality.
Product details
>High frequency stability
>Quick preheating>Compact size
>Internal thread design of the light outlet, capable of installing fiber coupling heads and other components
The SL series frequency stabilized HeNe laser uses dual longitudinal mode frequency stabilization technology based on rapid heating.
The SL 02 series requires a 13.5V-AC adapter for power supply.
The SL 03/04 series can provide two working modes: amplitude stabilization and frequency stabilization.
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technical data |
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Model SL 02/1 |
Model SL 02/2 |
Model SL 03/1 |
Model SL 04/1 |
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wavelength |
nm |
632.8 |
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output power |
mW |
>1.2 (typ. 1.5) |
> 2.4(typ.3.0) |
> 0.8(typ.1.0) |
> 1.2(typ.1.5) |
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Amplitude noise（30Hz-10MHz） |
% |
< 0.5 |
< 0.5 |
< 0.2 |
< 0.2 |
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Beam diameter（TEM00） |
mm |
0.63 |
0.55 |
0.55 |
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Beam divergence angle（TEM00） |
mrad |
1.3 |
1.5 |
1.5 |
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Beam polarization |
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Line deviation single longitudinal mode |
Vertically offset lines |
Linear polarization single longitudinal mode |
Line deviation single longitudinal mode |
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Preheat to a stable state |
min |
< 10min |
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Frequency stability1min／1h／24hpreheat40minafter |
MHz |
± 2∙10-9 / ± 5∙10-9 / ± 1∙10-8 approx. ± 1 / ± 2.5 / ± 5
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± 1∙10-9 / ± 2∙10-9 / ± 5∙10-9 approx. ± 0.5 / ± 1 / ± 2.5 <5
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Greater thermal frequency drift |
MHz／K |
< 2 |
< 1 |
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service life |
h |
30,000 |
30,000 |
30,000 |
30,000 |
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Power consumption in steady state |
W |
< 20 |
< 20 |
< 20 |
< 20 |
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