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We offer a wide variety of standard prisms for reflection, deviation and image manipulation. Here you will find our standard prisms. We have the manufacturing capability to realize any other prism design. Contact us to discuss your requirements. Right Angle Prisms | Right angle prisms are generally used to achieve a 90° deviation in a light path. Depending on the prism's orientation, images will be inverted, but correct left-to-right. If the prism is rotated 90°, images viewed though the prism will be erect but reversed left to right. Prisms can also be used in combinations for image/beam displacement (periscope). |  |
 |  | 90° deflection. The image is erect and reversed. | 180° deflection using the hypotenuse as the entrance and exit face. The main application is as a cost effective retro-reflector provided that the plane of incidence is perpendicular to the input face. |
Laser Grade BK7 Right Angle Prisms | Specifications: | | | | Material: | BK7 grade A optical glass | | Dimension: | ± 0.1 mm | | Flatness: | λ /10 at 632.8 nm | | Surface Quality: | 20/10 scratch-dig | | Angle Tolerance: | ± 30 arc seconds | | Pyramide Error: | less than 5 arc minutes | | Bevel : | < 0.25 mmx450 | | Coatings: | uncoated |
Order No. | Dimension (mm) | RP10-BK7-005 | A=B=C=5.0 | RP10-BK7-010 | A=B=C=10.0 | RP10-BK7-012 | A=B=C=12.5 | RP10-BK7-015 | A=B=C=15.0 | RP10-BK7-020 | A=B=C=20.0 | RP10-BK7-025 | A=B=C=25.0 |
Laser Grade Fused Silica Right Angle Prisms | Specifications: | | | | Material: | UV grade fused silica | | Dimension: | ± 0.1 mm | | Flatness: | λ /10 at 632.8 nm | | Surface Quality: | 20/10 scratch and dig | | Angle Tolerance: | ± 30 arc seconds | | Pyramide Error: | less than 5 arc minutes | | Bevel : | < 0.25 mmx450 | | Coatings: | uncoated |
| Order No. | Dimension (mm) | RP10-FS-005 | A=B=C=5.0 | RP10-FS-010 | A=B=C=10.0 | RP10-FS-012 | A=B=C=12.5 | RP10-FS-015 | A=B=C=15.0 | RP10-FS-020 | A=B=C=20.0 | RP10-FS-025 | A=B=C=25.0 |
High Standard BK7 Right Angle Prisms | Specifications: | | | | Material: | BK7 grade A optical glass | | Dimension: | ± 0.1 mm | | Flatness: | λ /4 at 632.8 nm | | Surface Quality: | 40/20 scratch-dig | | Angle Tolerance: | ± 30 arc seconds | | Pyramide Error: | less than 10 arc minutes | | Bevel : | 0.2~0.5 mmx450 | | Coatings: | uncoated |
| Order No. | Dimension (mm) | RP4-BK7-001 | A=B=C=1.0 | RP4-BK7-002 | A=B=C=2.0 | RP4-BK7-005 | A=B=C=5.0 | RP4-BK7-006 | A=B=C=6.0 | RP4-BK7-010 | A=B=C=10.0 | RP4-BK7-012 | A=B=C=12.5 | | RP4-BK7-015 | A=B=C=15 | | RP4-BK7-020 | A=B=C=20 | | RP4-BK7-025 | A=B=C=25 | | RP4-BK7-030 | A=B=C=30 | | RP4-BK7-040 | A=B=C=40 | | RP4-BK7-050 | A=B=C=50 |
High Standard Fused Silica Right Angle Prisms | Specifications: | | | | Material: | UV grade fused silica | | Dimension: | ± 0.1 mm | | Flatness: | λ /4 at 632.8 nm | | Surface Quality: | 40/20 scratch and dig | | Angle Tolerance: | ± 30 arc seconds | | Pyramide Error: | less than 5 arc minutes | | Bevel : | 0.2~0.5 mmx450 | | Coatings: | uncoated |
| Order No. | Dimension (mm) | RP4-FS-005 | A=B=C=5.0 | RP4-FS-006 | A=B=C=6.3 | RP4-FS-010 | A=B=C=10.0 | RP4-FS-012 | A=B=C=12.5 | RP4-FS-015 | A=B=C=15.0 | RP4-FS-020 | A=B=C=20.0 | | RP4-FS-025 | A=B=C=25.0 |
Common Standard BK7 Right Angle Prisms | Specifications: | | | | Material: | BK7 grade A optical glass | | Dimension: | ± 0.2 mm | | Flatness: | λ /2 at 632.8 nm | | Surface Quality: | 60/40 scratch-dig | | Angle Tolerance: | ± 3 arc minutes | | Pyramide Error: | less than 10 arc minutes | | Bevel : | 0.2~0.5 mmx450 | | Coatings: | uncoated |
| Order No. | Dimension (mm) | RP2-BK7-001 | A=B=C=1.0 | RP2-BK7-002 | A=B=C=2.0 | RP2-BK7-005 | A=B=C=5.0 | RP2-BK7-006 | A=B=C=6.0 | RP2-BK7-010 | A=B=C=10.0 | RP2-BK7-012 | A=B=C=12.5 | | RP2-BK7-015 | A=B=C=15 | | RP2-BK7-020 | A=B=C=20 | | RP2-BK7-025 | A=B=C=25 | | RP2-BK7-030 | A=B=C=30 | | RP2-BK7-040 | A=B=C=40 | | RP2-BK7-050 | A=B=C=50 |
Common Standard Fused Silica Right Angle Prisms | Specifications: | | | | Material: | UV grade fused silica | | Dimension: | +0.0/-0.2 mm | | Flatness: | λ /2 at 632.8 nm | | Surface Quality: | 60/40 scratch and dig | | Angle Tolerance: | ± 3 arc minutes | | Pyramide Error: | less than 10 arc minutes | | Bevel : | 0.2~0.5 mmx450 | | Coatings: | uncoated |
| Order No. | Dimension (mm) | RP2-FS-005 | A=B=C=5.0 | RP2-FS-006 | A=B=C=6.3 | RP2-FS-010 | A=B=C=10.0 | RP2-FS-012 | A=B=C=12.5 | RP2-FS-015 | A=B=C=15.0 | RP2-FS-020 | A=B=C=20.0 | | RP2-FS-025 | A=B=C=25.0 |
Dove Prisms The Dove Prism is a form invented by H.W. Dove. It resembles half of a common right angle prism in which a ray entering parallel to the hypotenuse face is reflected internally at that face and emerges parallel to its incident direction. If the prism is rotated about the optical axis, the image is rotated through twice that angle. A Dove Prism must be used in parallel light. The Dove prism may also be used as a retroreflector. For this application it performs as the right-angle prism that is used in 180° deflection. |  |
| Specifications: | |  | | Material: | BK7 grade A optical glass | | Dimension (A,L,h): | +0.0/-0.2 mm | | Flatness: | λ /2 at 632.8 nm | | Surface Quality: | 60/40 scratch and dig | | Angle Tolerance: | ± 3 arc minutes | | Bevel : | < 0.25 mmx450 | | Coatings: | uncoated |
| Order No. | A (mm) | B (mm) | L (mm) | h (mm) | DP-BK7-005 | 5.0 | 7.07 | 21.1 | 5.0 | DP-BK7-010 | 10.0 | 14.14 | 42.3 | 10.0 | DP-BK7-015 | 15.0 | 21.21 | 63.4 | 15.0 | DP-BK7-020 | 20.0 | 28.28 | 80.0 | 20.0 |
Roof Amici Prisms | Specifications: | |  | | Material: | BK7 grade A optical glass | | Dimension: | +0.0/-0.2 mm | | Roof Angle: | ± 3 seconds | | Other Angles: | ± 3 minutes | | Flatness: | λ /2 at 632.8 nm | | Surface Quality: | 60/40 scratch and dig | | Angle Tolerance: | ± 3 arc minutes | | Bevel : | < 0.25 mmx450 | | Coatings: | uncoated |
| Order No. | A (mm) | B (mm) | C (mm) | AP-BK7-027 | 27.4 | 20.0 | 20.0 | AP-BK7-041 | 41.1 | 30.0 | 30.0 |
Corner Cube Retrorelector Corner Cube Prisms, which have three mutually perpendicular surfaces and a hypotenuse face, are designed to reflect any ray or beam entering the prism face back onto itself, regardless of the orientation of the prisms. A mirror will only do that at the normal angle of incidence. There are three total internal reflections within the corner cube. | Specifications: | |  | | Material: | BK7 grade A optical glass | | Dimension: | +0.0/-0.2 mm | | Deviation: | see table | | Flatness: | λ/4 at 632.8 nm on front surface λ/10 at 632.8 nm on other surfaces | | Wavefront distortion: | <λ/4 at 632.8 nm | | Surface Quality: | 60/40 scratch and dig | | Bevel : | < 0.25 mmx450 | | Coatings: | N/A |
| Order No. | Deviation (arc second) | H (mm) | Diameter (mm) | CP-BK7-011 | 180° ± 3 sec. | 11.3 | 15.0 | CP-BK7-019 | 180° ± 3 sec. | 19.0 | 25.4 | CP-BK7-028 | 180° ± 3 sec. | 28.5 | 38.0 | CP-BK7-037 | 180° ± 3 sec. | 37.5 | 50.8 | CP-BK7-062 | 180° ± 5 sec. | 47.9 | 62.2 (with tab) | CP-BK7-065 | 180° ± 10 sec. | 39.12 | 65.0 | CP-BK7-065-C (coated with copper) | 180° ± 10 sec. | 39.12 | 65.0 | CP-BK7-072 | 180° ± 10 sec. | 52.35 | 72.5 |
Penta Prisms The penta prism is a five-sided prism. It reflects light rays through a 90° angle by two reflections and does not invert or revert the image. The reflecting surfaces are aluminized. Slight movement of the prism does not affect the true right angle at which light rays are reflected. The penta prism also serves to shorten the optical path length of an instrument. | Specifications: | |  | | Material: | BK7 grade A optical glass | | Dimension: | +0.0/-0.2 mm | | Deviation: | see table | | Flatness: | λ /2 at 632.8 nm | | Surface Quality: | 60/40 scratch and dig | | Bevel : | < 0.25 mmx45° | | Coatings: | Reflecting surfaces are aluminized , with black paint for protection. Entrance and exit surface are coated with λ /4 MgF2 broadband AR. |
| Order No. | A=B=C (mm) | D (mm) | Deviation | PP-BK7-005-3m | 5.0 | 5.45 | 90° ± 3 arc minutes | PP-BK7-005-30s | 5.0 | 5.45 | 90° ± 30 arc seconds | PP-BK7-010 | 10.0 | 10.82 | 90° ± 30 arc seconds | PP-BK7-020 | 20.0 | 21.65 | 90° ± 30 arc seconds | PP-BK7-030 | 30.0 | 32.47 | 90° ± 30 arc seconds | PP-BK7-040 | 40.0 | 43.30 | 90° ± 30 arc seconds |
Beamsplitter Penta Prisms
Wedge Prisms | The wedge is an optical element having plane inclined surfaces. Usually the faces are inclined toward one another at very small angles. Wedges divert light toward their thicker portions. These optics may be used to deviate a beam or to frustrate etalon effects in beam splitting or window applications. These items are not stocked but we will gladly manufacture to your requirements. |  |  |
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