2" Diameter AR-Coated Optical Germanium(Ge) Crystal Wafers

• Customization: Available
• Usage: Lighting, Medical, Optical, Photography, Astronomy
• Type: Optical Window
• Transmittance: 90%-95%
• Shape: Round
• Material: Germanium
• Lenses Color: Clear
• Certification: RoHS, ISO9001, CE, TUV
• Customized: Customized
• Coating: Anti-Reflection
• Transport Package: Carton, Blister, Customized
• Specification: as required
• Trademark: CPG
• Origin: China
• HS Code: 9001909090
• Production Capacity: 2000 Pieces

Product Description

2" Diameter AR-Coated Optical Germanium(Ge) Crystal Wafers

Windows

CPG manufactures high precision windows for demanding applications in the infrared. These windows are fabricated from a variety of materials including fused silica, Si, Ge, ZnSe, ZnS, CaF2, MgF2, Cleartran and AMTIR. Utilizing advanced fabrication and coating techniques, CPG delivers windows with tightly controlled transmitted wavefront, a high degree parallelism, minimal scatter, high laser damage resistance and outstanding durability for the most challenging environments.

Specifications
 

Items	Description
Germanium Window	Material:	Germanium,monocrystal
	Diameter:	50.8+0.0/-0.2mm
	Thickness:	2.0+/-0.1mm
	ROC1:	Infinity
	ROC2:	Infinity
	Flatness:	S1&S2:3/3(1)@546.1nm
	Surface quality:	S1&S2:5/5x0.16;L5x0.025
	Parallelism:	<0.05mm
	Clear Aperture:	>90%
	Chamfer:	Protected
	Coating:	S1&S2:AR coating,Tavg>96%@8-11.5μm,AOI:0deg
	Standard:	MIL-PRF-13830B

Interferograms with Zygo

Inspection

Other Windows CPG handle

 

Why CPG

COST, PRECISION, G+ SERVICE
CPG optics has over 20 years experiences in optics industry, we provide a variety of different material fabricating and coatings, and we always aim to be a trustful supplier for all the customers.
Our in-house optical metrology capability ensures the all the requirements for the parts are within the specs:

• Zygo Interferometer
• Wyko Cylinder Interferometer
• Agilent Cary 7000 Spectrometer
• Optical Bench
• Moller-wedel Goniometer
• Taylor Hobson Profiler
• Mitutoyo Projector
• Zygo Roughness Meter
• CMM
• Stress Measuring
• Satisloh Spherometer
• Trioptics Centering

CPG is also an ISO: 9001&14001 certified manufacture, we deliver fast and provide best cost performance ratio for our customers.

Certificates

Packaging& Shipping
 
Package detail:
Optics are packed with Capacitor paper, white paper, custom-made plastic containers etc
Customized safety green carton

Shipping term: