Parallel Windows

Thursday, 17 May 2012

Parallel Windows

Parallel Windows are similar to Plane Windows, but with parallel surfaces. These windows are well suited for applications in which angular deviation of the transmitted beam must be kept as small as possible. Misalignment errors are also minimized when the window is repeatedly inserted and removed.

RMI Standard Specifications
Materials:	BK7, UVFS, FS, CaF₂, IR grade CaF₂,MgF₂, BaF₂, ZnSe, ZnS, Ge, Si, Sapphire, Cleartran, Suprasil
Surface Figure: BK7, UVFS, FS: CaF₂, MgF₂, BaF₂: ZnSe, ZnS, Ge, Si, Cleartran: Sapphire (2 grades):	Both Surfaces λ/20 at 633 nm λ/4 at 633 nm λ/40 at 10.6 µm λ/10, or λ/4 at 633 nm
Surface Quality: BK7, UVFS, FS: CaF₂, MgF₂, BaF₂: ZnSe, ZnS, Ge, Si, Cleartran: Sapphire (2 grades):	Both Surfaces 10-5 20-10 40-20 20-10 or 60-40
Diameter Tolerance:	+ 0.000", – 0.010"
Thickness Tolerance:	± 0.010"
Wedge:	≤ 10 arc seconds
Bevels:	0.02" at 45º typical
Clear Aperture:	Exceeds central 85% of diameter

Applicable Coatings Quick Links
UV / Excimer Coatings:	Narrowband Anti-Reflection (NAR) Partial Reflection (PAR)
VIS / NIR Coatings:	Single Layer Anti-Reflection (SAR) Narrowband Anti-Reflection (NAR) Broadband Anti-Reflection (BAR)
Infrared Coatings:	Narrowband Anti-Reflection (NAR) Broadband Anti-Reflection (BAR) Partial Reflection (PAR)
Multi-Wavelength Coatings:	Nd:YAG Multi-Wavelength Anti-Reflection (MAR)

Call 303-664-5000 to discuss your optical requirements
Toll Free: 1-866-678-4270 Fax: 303-664-5001 Email: Sales@RMIco.com
Rocky Mountain Instrument Co. • 106 Laser Dr., Lafayette, CO • 80026 • USA

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