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Laser Mirrors

8. Harmonic Separators

Harmonic separators are dichroic mirrors which reflect short wavelengths efficiently while transmitting longer wavelengths. They are used to isolate the harmonic of interest by reflecting it and allowing lower order harmonics and the fundamental to pass. They have anti-reflection coatings on the rear surface.

Harmonic separators for Nd:YAG/YLF lasers and Ultra-fast Ti:Sapphire laser on either UV Fused Silica or BK7 substrates are available from OptoCity.

Specifications
Material:		UV Fused Silica, BK7
Surface Quality:		20-10 Scatch-Dig
Surface Flatness:		l/10@633nm
Wedge:		<3 arc minutes
Diameter Tolerance:		+0.0/-0.2mm
Thickness Tolerance:		+/-0.2mm
Clear Aperture:		90% of diameter
S1 Coating		Dichroic dielectric coating
S2 Surface		Dual wavelength AR coating
Durability:		MIL-C-675 moderate abrasion
Damage Threshold		100W/cm2 CW, 10mJ/cm2 with 10ns @532nm
Order Information

Part#	Descriptions	Pirce
HSM101	R355/T1064&532nm 12.7mm Dia.	$99
HSM102	R355/T1064&532nm 25.4mm Dia.	$125
HSM201	R266/T355&532&1064nm 12.7mm Dia.	$99
HSM202	R266/T355&532&1064nm 25.4mm Dia.	$125
HSM301	R350-450/T700-900nm 12.7mm Dia.	$99
HSM302	R350-450/T700-900nm 25.4mm Dia.	$125
HSM401	R233-300/T350-450&700-900nm 12.7mm Dia.	$99
HSM402	R233-300/T350-450&700-900nm 25.4mm Dia.	$125