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Pulse energy, repetition rate, pulse width

AO-355B355 nm UV Q-switched pulsed laser

355 nm

The AO-355B is a 355 nm nanosecond diode-pumped solid-state laser. Laser diodes optically pump a solid gain medium inside a resonator. The pump supplies the energy; repeated passes through the gain medium amplify the laser light. Q-switching stores energy in the gain medium while resonator losses are high, then lowers those losses to release a pulse. Pulse energy and repetition rate must be considered together, because changing the pulse spacing changes the average power for a fixed pulse energy. Pulses lasting approximately 12 ns deliver the energy in a brief interval; pulse energy and focused spot size determine the intensity at the sample.

Specifications

AO-355B

20 specification rows

Output / average power1 W/ 3 W/ 5 W
Pulse energy1 mJ
Repetition rate1 Hz-200 kHz
Pulse width~12 ns @1 kHz
Operating modeActively Q-switched
Transverse modeTEM00
Beam divergence, full angle (mrad)<3.5
M2<1.2
Polarization ratio>100:1 Horizontal
Warm-up time (minutes)<10
Cooling methodAir cooled
Operating voltage (VDC)12V/29A
Expected lifetime (hours)>10000
Wavelength (nm)355±1
Power stability (rms, 4 hours ± 3°C)<2%, <1%
Beam Circularity (%)>90
Beam diameter at the aperture ( mm)~0.8
M²<1.2
Beam height from base plate (mm)79
Environment temperature (℃)10-35

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Model selection

Nearby series comparison

Compare AO-355B with the closest available models in the Pulsed Lasers family.

Selection parameterAO-355B (current)MPL-FN-355MPL-F-355
Wavelength355 nm355 nm355 nm
Optical power / pulse energy1 W/ 3 W/ 5 W1~30 mW1~100 mW
Operating mode / pulse widthActively Q-switchedPassively Q-switchedPassively Q-switched
Beam quality<1.2<2.0<2