CW SINGLE FREQUENCY GREEN LASER
3
NPRO 142 Specifications
Parameter
Wavelength
CW power options
Spatial mode
Longitudinal mode
Linewidth (high-stability option only)
Coherence length, calculated (high-stability option only)
Frequency drift (high-stability option only)
1
Amplitude noise, 10 Hz to 2 MHz
Power drift over 8 hours
2
Polarization, linear
3
Times diffraction limit
Beam pointing stability
4
Waist diameter, at window, 1/e
2
Beam divergence, full angle
Beam roundness, far field
Alignment tolerance
Beam position
Beam angle
Warm-up time, from cold start (AC off)
Dimension
Laser head size (W x H x D)
Weight
1. Base temperature constant to within <2 °C, total range, after 30 minute warm-up.
2. Base temperature constant to within <5 °C, total range.
3. Ratio of maximum transmission to minimum transmission, nominally horizontal.
142H-532-xxx
532 nm
>100, 200, 300, 400, 500 mW
TEM
00
Single frequency
<10 kHz/ms
>1000 m
<10 MHz/minute
<0.2% rms
<5% peak-to-peak
>100:1, horizontal
M
2
<1.1
<0.01 mrad
0.42 mm nominal
1.6 mrad nominal
<10% elliptical
<±1 mm
<±15 mrad
10 minutes
6 x 8 x 20 cm
1.2 kg (2.65 lbs)
4. Deviation from centroid, measured over 1 hour, after 30 minute warm-up and with base temperature constant to within <2 °C, total range.
NPRO 142 Integration Requirements
Parameter
Input and Ambient
DC voltage/current, maximum
Operating base temperature
Storage temperature
Relative humidity, non-condensing
Specification
5 V/4 A, 12 V/4 A, -12 V/0.5 A
15 to 35 °C
-20 to 50 °C
10 to 90%
JDSU [ JDS UNIPHASE CORPORATION ]
