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Products HomeMirror Blanks
- Front Surface Flatness: λ/10
- Front Surface Quality: 40-20 Scratch-Dig
- Fabricated from Fused Silica
PF05-03
Ø1/2"
PF07-03
Ø19 mm
PF10-03
Ø1"
PF20-03
Ø2"
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This graph shows the measured total transmission of an uncoated 10 mm thick UV fused silica mirror blank at normal incidence.
Features
- Four Sizes Available: Ø1/2", Ø19 mm, Ø1", and Ø2"
- Front Surface Flatness of λ/10, with λ/20 Available as a Custom Order via Tech Support
- Back Surface is Fine Ground
- Volume Discounts Available
Thorlabs' mirror blanks are designed to be used as front-surface mirrors when coated. Fabricated from substrate-grade fused silica, which exhibits 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.
Our Ø19 mm mirror blank is specifically designed to fit our Polaris Fixed Optic Mounts for laser system design and other OEM applications. This diameter provides a larger clear aperture than Ø1/2" optics while allowing the mounts to maintain a Ø1" footprint.
| Item # | Diameter | Thickness | Parallelism | Surface Quality | Surface Flatness | Clear Aperture | Material |
|---|---|---|---|---|---|---|---|
| PF05-03 | 12.7 mm +0.0/-0.1 mm |
6.0 mm ± 0.2 mm |
<5 arcmin | 40-20 Scratch-Dig |
λ/10 | >90% of Diameter | Fused Silica |
| PF07-03 | 19.0 mm +0.0/-0.1 mm |
6.0 mm ± 0.2 mm |
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| PF10-03 | 25.4 mm +0.0/-0.1 mm |
6.0 mm ± 0.2 mm |
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| PF20-03 | 50.8 mm +0.0/-0.1 mm |
12.7 mm ± 0.2 mm |
| Posted Comments: | |
Poster:ccrocker Posted Date:2014-06-12 14:11:01.143 Is it possible to order get these backside polished? Poster:jlow Posted Date:2014-06-12 02:28:00.0 Response from Jeremy at Thorlabs: Yes we can quote these with the backside polished. I will contact you directly to get more information on the polish quality needed and provide a quote. 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) |
Additional Mirror Blanks
 Economy Optical Flats / Mirror Blanks |
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