HIGH-POWER Q-SWITCHED DIODE-PUMPED UV LASER
5
Q Series Laser Head Specifications
Continued
Parameter
Q331-HD
Q332-HD
Q333-HD
Wavelength
355 nm
355 nm
355 nm
Spatial mode
M-squared1
TEM00
<1.2
TEM00
<1.2
TEM00
<1.2
Waist location1 (internal, from beam exit)
Waist diameter1, 1/e2
Beam divergence1, full angle
Beam pointing drift, full angle
Pointing drift, over 8 hours, full angle2
Beam position accuracy, unit to unit
Beam pointing accuracy, unit to unit
Repetition rate
42 0.4 cm
42 0.4 cm
42 0.4 cm
0.26 mm nominal
1.8 0.35 mrad
<10 µrad/°C
<50 µrad
<2.5 mm from nominal
<1° from nominal
0.26 mm nominal
1.8 0.35 mrad
<10 µrad/°C
<50 µrad
<2.5 mm from nominal
<1° from nominal
0.26 mm nominal
1.8 0.35 mrad
<10 µrad/°C
<50 µrad
<2.5 mm from nominal
<1° from nominal
Internally triggered
Externally triggered
5 to 250 kHz
0 to 250 kHz
<10 kHz
5 to 250 kHz
0 to 250 kHz
<30 kHz
5 to 250 kHz
0 to 250 kHz
<50 kHz
Constant pulse energy range
Average output power3
At 10, 20, and 30 kHz
At 30, 50, and 70 kHz
At 70, 100, and 130 kHz
Pulse width4
≥5.0, 4.0 and 3.0 W
-
-
-
-
-
≥4.0, 3.4, and 2.5 W
-
≥3.6, 2.5, and 1.6 W
At 10, 20, and 30 kHz
At 30, 50, and 70 kHz
At 70, 100, and 130 kHz
Pulse energy fluctuations5
At 10, 20, and 30 kHz
At 30, 50, and 70 kHz
At 70, 100, and 130 kHz
Power drift over 8 hours2, 6
Beam roundness
34 10, 52 15, 69 15 ns
-
-
-
-
78 20, 107 20, 135 30 ns
-
132 30, 168 40, 204 55 ns
<2.0%, 10 – 30 kHz
-
-
< 2%
>85% circular
>100:1, horizontal
-
-
-
<3%, 30 – 50 kHz
-
< 2%
>85% circular
>100:1, horizontal
<3%, <2.0%, <2.5%
< 2%
>85% circular
>100:1, horizontal
Polarization
Warm-up time
From cold start
From standby
Operating ambient temperature
Relative humidity, non-condensing
Weight
<20 minutes
<10 minutes
15 to 35°C
10 to 80%
14.5 kg
<20 minutes
<10 minutes
15 to 35°C
10 to 80%
14.5 kg
<20 minutes
<10 minutes
15 to 35°C
10 to 80%
14.5 kg
1. Specification holds over different repetition rate ranges, depending on the laser model, as follows:
Q331 from 10 to 30 kHz, for Q332 from 30 to 70 kHz, for Q333 from 70 to 130 kHz.
2. Ambient temperature constant 2°C.
3. Averaged for 1 hour after >80 minutes of continuous operation.
4. Pulse duration measured according to method detailed in JDSU application note titled “Optical Pulse Width Measurement Techniques for Q-Series Lasers.”
5. Pulse Energy Fluctuations = σ / μ x 100%, σ = standard deviation, μ = average pulse energy.
6. Measured after more than 80 minutes of continuous operation.
JDSU [ JDSU ]
