Mirror blanks Common Specifications

Front Surface Flatness: λ/10
Front Surface Quality: 40-20 Scratch-Dig
Wedge: <5 arcmin
Clear Aperture: >90% of Diameter
Back Surface: Fine Ground
Volume Discounts Available

Thorlabs' mirror blanks are designed to be used as front surface mirrors when coated. Fabricated from fused silica, a material known to exhibit high transmission in the 185 nm to 2.1 μm range (refer to the transmission graph to the right), these mirror blanks offer a high degree of purity and exceptional environmental durability. The table to the right provides additional details about these stock mirror blanks, which are available with a λ/20 surface flatness upon request. Please e-mail our Technical Support team for a quotation. The transmission plot to the right corresponds to the 6 mm thick optical elements.

Item #	Diameter	Thickness	Material
PF05-03	Ø12.7 mm +0.0/-0.1 mm	6 mm ± 0.2 mm	Fused Silica
PF10-03	Ø25.4 mm +0.0/-0.1 mm	6 mm ± 0.2 mm	Fused Silica
PF20-03	Ø50.8 mm +0.0/-0.1 mm	12.7 mm ± 0.2 mm	Fused Silica

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Posted Comments:

Poster: tor

Posted Date: 2010-11-23 16:12:36.0

Response from Tor at Thorlabs to Andres: While beamsplitters are designed to pass and reflect a specific fraction of light, a reflective ND filter may be more suitable for detector applications. I have contacted you for more information regarding your transmission requirements.

Poster: andres.aragoneses

Posted Date: 2010-11-23 15:32:40.0

Dear sir/madam I would like to know if you provide half transparent mirrors, or if that is just beam-splitters. I would like to put a mirror in front of a 650nm laser and measure its intensity putting the detector on the other side of the mirror, so the mirror shloud let a fraction of light pass through it. sincerely Andrés Aragoneses (andres.aragoneses@upc.edu)

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Mirror Blanks

Mirror blanks Common Specifications