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Micromachining Lasers
Laser micromachining which is used to produce mechanical structures with sub-millimeter features is rapidly growing in popularity as picosecond and femtosecond lasers are becoming more available. Traditional laser ablation methods cannot be utilized to produce high tolerance machined parts with such small feature size, due to the heat generated in the ablation process. As a result, it is necessary to utilized ultra-fast lasers that have an electric field density large enough to create a Coulomb explosion. This explosion caused by short pulse micromachining lasers can remove the material via a “cold ablation” process, therefore, preserving the integrity of the surrounding material. In addition to the tolerancing advantage of the Coulomb explosion in comparison to thermal ablation, there is the added benefit that since this is an electronic effect, there is no need to take the materials absorption properties into account making this a wavelength-independent process. The adoption of laser micromachining has seen its most rapid adoption in the medical industry because short pulse micromachining lasers deliver superb quality when machining a variety of materials used for implantable devices. On this page, you will find a list of all of the micromachining lasers we offer at RPMC.
RPMC has years of experience supporting Micromachining applications, helping industry professionals select the right tool for the job.
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Areté has developed a commercial series of compact and efficient DPSS laser sources, capable of operating over a wide range of pulsing conditions (duty-cycle and PRF), in a low SWaP package, with average power up to ≈5W @ 266nm, 10W @ 355nm or 532nm, 20W @ 1064nm, suitable for airborne applications. The design has been tested in brassboard hardware and a prototype is being developed.
The Quantas-Q-SHIFT series is a family of Q-switched DPSS lasers featuring a built‑in nonlinear wavelength conversion stage, allowing the production of wavelengths that are not accessible with conventional solid-state laser sources, including 1163, 1177, 1300, 1317, 1551 and 1571nm. An optional harmonics generator is also available for for the Q-SHIFT, allowing generation of up to the 4th harmonic for each fundamental wavelength.
The VaryDisk Series platform is a high energy, multi-milli-Joule laser system for laboratory investigations or industrial use. This is a thin disk regenerative amplifier for amplification of femtosecond, picosecond or nanosecond pulses with amplification factors in the order of 10⁶. The output specifications can be chosen according to our customers needs, mainly by choice of the seed laser (multiple seed lasers are possible) and various options available. The base configuration typically provides up to 150 W average power @ 1030 nm, 15 – 150 mJ pulse energy with 1 ns pulse width (compressible to < 2 ps), and a repetition rate range from 1 kHz to 10 kHz.