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Paladin Advanced 355 24000 Laser

Photonics.com
Mar 2012
Coherent Inc.Request Info
 
SANTA CLARA, Calif., March 22, 2012 — Coherent Inc. has introduced a higher power Paladin laser designed for high-throughput direct imaging and other advanced microelectronics applications.

The Paladin Advanced 355 24000 is a mode-locked, diode-pumped solid-state laser that delivers >24 W (at 80 MHz) of output power at 355 nm. It offers a high-quality TEM00 beam with M² <1.2, beam pointing stability of <20 μrad/°C, long-term power stability of <±2% and low noise of <1% rms from 10 Hz to 2 MHz.

The laser direct imaging technique enables production of multilayer printed circuit boards without the complexity and registration issues involved in using traditional film-based artwork. The technology has become indispensable as microelectronic devices decrease in size. The new laser enables increased throughput in the digital patterning of the any-layer high-density interconnect printed circuit boards used in the fabrication of these miniaturized devices, such as smartphones and tablet PCs. The laser also serves other applications in microelectronics fabrication, such as flat panel display manufacturing, solar cell production and bioinstrumentation.


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GLOSSARY
diode-pumped solid-state laser
A compact solid-state laser, referred to as DPSSL, created when a laser diode pumps light into either the sides or end of gain crystal. Depending on where the pumping occurs, high-quality and stable output beams can be achieved with end-pumped lasers, and high-power output beams can be realized as with side-pumped lasers. Common in green laser pointers, DPSSLs are also used for a variety of materials processing applications, such as cutting and precision marking, and in optogenetics.
mode-locked laser
A laser that functions by inducing a fixed phase relationship between all of the modes present in the laser cavity. Once all modes are in phase, the modes are then said to be locked. The interference of these modes with one another inside the cavity then allows the laser to produce high energy, peak-powered short pulses of light in time durations that range from femtoseconds to picoseconds.
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