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Key Features and Materials:
- Roof Prism Function: Used to shorten optical path lengths in compact systems, such as cameras and surveying tools.
- N-BK7 Substrate: Cost-effective, high-quality optical glass for visible spectrum applications.
- Fused Silica Substrate: Superior for UV-to-IR applications, thermal stability, and low thermal expansion.
- Coatings: Typically include anti-reflection (AR) coatings on entrance/exit faces and metallic or dielectric High-Reflective (HR) coatings on the roof surfaces.
Common Applications:
- Surveying & Measurement: Laser levels and surveying instruments.
- Imaging: Camera viewfinders, binoculars, and image observation systems.
- General Optics: Laser applications where high power resistance is required (Fused Silica).
Performance Comparison:
- Thermal Stability: Fused Silica has better resistance to thermal lensing compared to N-BK7, making it better for high-power lasers.
- Wavelength Range: Fused Silica is preferred for ultraviolet (UV) down to 175nm, while N-BK7 is excellent for visible applications.
For specific applications, customized roof prisms can be fabricated in various sizes and with specialized coating options.
If you are looking for specific, in-stock options, Right-Angle Prisms from Thorlabs (which are similar to roof prisms in material application) are available in N-BK7 and UV Fused Silica from 3 mm to 60 mm.
Do you need this for a visible light application, or for UV/high-power lasers? Knowing this will help determine if N-BK7 or Fused Silica is the better choice for your project.
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Amici Roof Prism BK7 equiv 23mm aperture
Knight Optical
https://www.knightoptical.com › stock › amici-roof-pris...
Knight Optical
https://www.knightoptical.com › stock › amici-roof-pris...
N-BK7 or equivalent. Dimension ... We can supply Custom Amici-Roof Prisms in various materials, including UV Fused Silica for UV applications down to 175nm.Read more
$131.77£25 delivery14-day returns
China Coated N-BK7 And Fused Silica Roof Prism Supplier
Betensh Optics
https://www.betenshoptics.com › coated-n-bk7-and-fus...
Betensh Optics
https://www.betenshoptics.com › coated-n-bk7-and-fus...
The roof prism is a type of prism with two mutually perpendicular reflective surfaces. This prism can deflect light by 90 degrees and is not limited by the ...
Right-Angle Prisms
Thorlabs
https://www.thorlabs.com › right-angle-prisms
Thorlabs
https://www.thorlabs.com › right-angle-prisms
These prisms are fabricated from N-BK7, UV fused silica, CaF2, or ZnSe, and they are offered in sizes ranging from 3 mm to 60 mm. Our N-BK7 right-angle prisms ...Read more
N-BK7 and Fused Silica Wedge Prisms
UNI Optics
https://www.uni-optics.com › Optical Prisms
UNI Optics
https://www.uni-optics.com › Optical Prisms
Wedge prism is an optical element with plane-inclined surfaces, usually the faces are inclined toward one another at a very small angles.Read more
BK7 Optical Glass Roof Prism
Yutai Optics
https://www.ytoptics.com › prisms › bk7_optical_glass_r...
Yutai Optics
https://www.ytoptics.com › prisms › bk7_optical_glass_r...
What are the core features of roof prisms? Image orthogonality: maintains the left-right and up-down orientation of the image in line with the original.Read more
Roof Prism-Fuzhou Alpha Optics Co., Ltd
alphaoptics.com.cn
https://alphaoptics.com.cn › Roof-Prism
alphaoptics.com.cn
https://alphaoptics.com.cn › Roof-Prism
Roof Prism, Precision optical compoments, Centration:±5arc minutes, Bevel:Protective bevel as needed, Dimension Tolerance (mm):+0/-0.1, Material:N-BK7.Read more
High accuracy N-BK7 & Fused silica wedge prisms
CRYSMIT OPTICS
https://www.crysmit.com › Wedge
CRYSMIT OPTICS
https://www.crysmit.com › Wedge
CRYSMIT offer High accuracy N-BK7 & Fused silica wedge prisms for Experimental and Precision Instruments. The wedge prism with the plane surfaces at slight ...Read more
BK7 and Fused Silica Glass Roof Prisms
Fuzhou WTS Photonics Technology Co., Ltd.
https://www.wts-photonics.com › product › bk7-and-fu...
Fuzhou WTS Photonics Technology Co., Ltd.
https://www.wts-photonics.com › product › bk7-and-fu...
These are normally uncoated for use in TIR mode. Protected aluminum or internal silver coatings may be specified for roof surfaces when used in wide field ...
High Resolution K9/BK7/Fused Silica Roof Prism with AR ...
Alibaba.com
https://www.alibaba.com › ... › Prisms
Alibaba.com
https://www.alibaba.com › ... › Prisms
Our roof prisms are engineered to deliver exceptional performance in applications requiring image erection and precise 90-degree light deflection. Unlike ...
Fused Silica Optics
Edmund Optics
https://www.edmundoptics.com › fused-silica-optics
Edmund Optics
https://www.edmundoptics.com › fused-silica-optics
Fused Silica or N-BK7 Material; Standard Imperial Sizes for Drop-in Replacement Solutions; Laser Line Coated Versions Available; Mirror Substrates Also ...Read more
30-day returns
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