Category : Laser components, systems, equipment and applications > Laser components and systems

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The Picarro Cyan Laser is a high performance, compact and highly reliable replacement for Argon ion lasers traditionally used in bio-instruments, inspection and metrology instrumentation. It produces a high-quality optical beam at a wavelength of 488 nm with ultra-low noise intensity and superior wavelength reproducibility. At a fraction of the size of an Argon ion laser, the Picarro Cyan Laser consumes far less power and features dramatically improved mean-time-to-failure. It is available with output powers from 10 to 50 mW in a package that is only 125 x 70 x 34 mm with typical power consumption of 6 W or less.

Picarro’s unique design enables direct doubling of a laser diode. We build a simple external laser cavity around a highly reliable, telecom diode with a proprietary locking scheme that ensures a single-frequency, stabilized infrared source that can be easily frequency-doubled to 488-nm.
The result of this simplicity and stability is reduced vulnerability for our customers and improved time-to-market.

The Cyan laser is based on the simple yet elegant approach of direct wavelength conversion of an infrared semiconductor laser. The two key elements comprising the design are:

1. A compact and highly stable external cavity laser incorporating a high power, highly reliable semiconductor gain element, which generates a beam at 976 nm, followed by
2. An efficient, reliable nonlinear optic crystal that frequency doubles the infrared output of the external cavity laser to produce a beam at 488 nm.

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