RGB Optical Parametric Oscillator Source for Compact Laser Projection Displays

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RGB Optical Parametric Oscillator Source for Compact Laser Projection Displays

OPO-based RGB source

Relation between red and blue wavelengths

CIE chart indicates gamut

CIE Tristimulus Values (1931) for luminosity

RGB OPO results

Temperature-tuned NCPM LBO OPO

Pump based on multi-pass slab (MPS) design

Pump-laser configuration

High pump-beam quality: M2 < 1.2

Schematic of RGB OPO

OPO efficiency exceeds 60%

Watt-level doubled OPO outputs

RGB OPO in action

Towards higher powers/Lumens

MPS MOPA can be scaled to >50 W

Higher-power MPS oscillator generates >25 W

Beam properties of higher-power oscillator

MPS-amplified mode-locked pump

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Author: Peter F. Moulton

Email: moulton@qpeak.com

Home Page: www.qpeak.com