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He-Ne Laser System

 

Specifications

Model

SL-HN250

Output Power @ 25

>2mW

Wavelength

632.8nm

Beam Mode

TEM00

Max. drift (mean power measured over 8 hours) 2.5%
Mode purity (TEM00)
>95%
Polarization ratio (minimum) No , 500: 1 or 10001
Beam divergence (TEM00, +-3%, mrad-full angle)
1.3 mrad
Beam diameter (1/e points, +-3%, TEM00)
0.63mm
Longitudinal mode spacing (nominal)
730MHz
Max. mode sweeping contribution
3%
Max. warm-up time (minutes to 95% power)
10 min.
Static alignment
Center to outer cylinder
< 0.254mm
Parallel to outer cylinder < 1mrad
Input voltage
220VAC
Maximum noise (rms, 30 Hz to 10 MHz)
0.1%
Power consumption 8W
Operating current
4.9mA
Length of laser head
241mm
Adjustment range
5
Operating temperature -40 ~ +70
Non-operating temperature -40 ~ +150
Warranty time One year

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