Ring cavity optical parametric apparatus

Optical: systems and elements – Optical frequency converter – Parametric oscillator

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372 20, 372 21, 372 22, 372 94, 372 99, H03F 700

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active

052765482

ABSTRACT:
An Optical Parametric Oscillator (OPO) includes optical elements located and oriented so a pump beam is generating an idler beam and a signal beam while all of these beams propagate in common directions at any given time as they move through the OPO. In one form of the invention, the optical elements include a dichroic mirror, a non-linear crystal, and right angle prisms. The beams are reflected by one of the right angle prisms back through the non-linear crystal so that walkoff is cancelled.

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