Dia21mm Multi-Layer Dielectric Coating Optical Longpass Filter

• After-sales Service: Repair for free
• Warranty: 1 year
• Usage: Lighting, Medical, Optical, Photography, Astronomy
• Thickness Range: 2mm-5mm
• Color: Transparent
• Type: Thin Film Filter
• Model NO.: Filter
• Principle: Cut-off Filter
• Material: Fused Silica
• Angle of incidence: 45°
• Shape: Round
• Certification: RoHS, ISO, CE
• Customized: Customized
• Transport Package: Carton, Blister, Customized
• Specification: As required
• Trademark: CPG
• Origin: China
• HS Code: 9001909090
• Production Capacity: 100000 Pieces

Product Description

Dia21mm Multi-Layer Dielectric Coating Optical Longpass Filter

 

Specification:
 

Items	Description
Filter	Material:	UV Fused Silica
	Diameter:	21.0+/-0.1mm
	Thickness:	3.0+0.0/-0.1mm
	R1:	infinity
	R2:	infinity
	Flatness:	1/4L PTV,TWD
	Surface quality:	40-20
	Parallelism:	<20arcsec
	Clear aperture:	1.5mm from the circumference
	Chamfer:	0.2mmx45deg
		<1.0mm,chips of edges
	Coating:	Multi-layer dielectric coating,extend to within at least 1.0mm from circumference,surface B
		470-2000nm,transmission waveband,surface B
		200-430nm,rejection waveband,surface B
		3%,slope factor,surface B
		450+/-10nm,cut-on wavelength,surface B
		Tavg>85%@470-1750nm,AOI:0deg,total filter
	Standard:	MIL-PRF-13830B

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