Narrow Linewidth SLM Diode Lasers

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Reference number: CRL-DL-SLM

The CRL series diode lasers have an internal optical feedback to ensure a very narrow spectral linewidth of the laser.

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Description

The narrow-band diode lasers from CrystaLaser feature an internal optical feedback to force the laser diode which normally operates in several modes onto a single longitudinal mode. The result is the laser diode operates in a narrow band with a coherence length of up to 5 m. Thanks to a feature that stabilizes the temperature of the laser head and a low-noise controller, a high degree of long-term stability and low noise levels can be achieved. Beam forming optics guarantee an almost perfect circular beam with a very good M2 value.

Specifications:

Wavelength [nm] 375 405 440 514 633 660
Optical power [mW] 5, 10 5-40 10-30 10 25-50 30-80
Coherence length [m] >2 >2 >2 >2 >2 >2
Power stability over 24h <1% <1% <1% <1% <1% <1%
Noise [rms, 10Hz - 20 MHz] <0,5% <0,5% <0,5% <0,5% <0,5% <0,5%
Transversal mode TEM00, M2 <1,2 <1,2 <1,2 <1,2 <1,1 <1,1
Beam diameter 1/e2 [mm] 1 1 1 1 1 1
Beam divergence [mrad] 0,6 0,6 0,6 0,6 1 1
Wavelength [nm] 690 785 808 852 980 1550
Optical power [mW] 30 80 100 100 100 - 1000 500, 700
Coherence length [m] >2 >5 >5 >5 >5 >5
Power stability over 24h <1% <1% <1% <1% <1% <1%
Noise [rms, 10Hz - 20 MHz] <0,5% <0,5% <0,5% <0,5% <0,5% <0,5%
Transversal mode TEM00, M2 <1,1 <1,1 <1,1 <1,1 <1,1 <1,1
Beam diameter 1/e2 [mm] 1 1 1 1 1 1
Beam divergence [mrad] 1 1 1 1 1 1