Techniques for UV Tripling

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Diode UV Output Fiber M1 Nd:Van Q.S. M2Lens SHGTHG UV Filter Diode UV Output M1 Nd:Van Q.S. M2Lens SHGTHG Extracavity Intracavity Techniques for UV Tripling.

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Presentation transcript:

Techniques for UV Tripling M1 M2 Lens UV Filter Q.S. SHG THG Nd:Van UV Output Extracavity Diode Fiber Intracavity M1 Lens M2 Q.S. Nd:Van SHG THG UV Output Diode

DPSS Intracavity Layout Intracavity Tripling Refractively folded Cavity for Efficient Extraction Without Complex coatings Beam Shaping Optics M1 UV Output D T Q-Switch Nd:Vanadate M2 Prism Pumping

DPSS Rep Rate vs UV Power

Competitive - Power/Rep. Rate

System Comparison Extracavity Intracavity Direct Diode Coupling Low Losses Long diode Life I/C SHG/THG - Efficient Low Walk Off/Distortion System running at 50% of full power even at 1W 355nm @ 100KHz Minimal Parts/Min. Cost Extracavity Fiber Coupling Lossy (-25%) Complex Fast Lens to HG Beam Distortion Damage? Needs to optimize rep. rate to achieve powers. Extra Parts

DPSS Product Pic