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Photonics Spectra
Apr 2001
Coherent Inc.Request Info
Coherent Laser Div. has introduced a frequency-tripled, Q-switched, diode-pumped all-solid-state UV laser. The AVIA 355-4500 produces 4.5 W of average power at 25 kHz and is suitable for materials-processing applications, including micromachining and micro-via drilling for the electronics packaging industry. The laser offers variable repetition rates, adjustable on-the-fly from single-shot to 100 kHz, and pulse widths of <30 ns up to 60 kHz with pulse-to-pulse stability. It is pumped by two field-replaceable, aluminum-free active-area diode modules. The company manufactures the laser in a cleanroom using its Permalign technique, providing permanent alignment of the laser head.


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