Prisms
 

 

 

 

Lenses

Materials

Illustration

Property and Application

Right-Angle Prism

BK7

UVFS

Right Angle Prism is used as a mirror to deviate light through 90 degree, and also as a retroreflector to deflect light through 180 degree by total internal reflection. It is often used in telescope, periscope and other optical system.

Rhombic Prisms

BK7

Rhombic prisms are used to displace a beam laterally without changing its direction

Anamorphic Prisms

SF11

Anamorphic prisms can expand or contract the beam in one direction without any changes in the other direction. By adjusting the angles among the incident beam and two prisms, the shape of the beam can be changed. It is very easy to turn elliptical beam into circular beam

Penta Prisms

BK7

Penta prism can deviate an incident beam without inverting or reversing to 90. It is commonly used in Plumb Level, Surveying, Alignment, Range finding and Optical Tooling.

Roof Prisms

BK7

Roof prisms can invert and reverse an image, also, deflect the image 90. It is often used in terrestrial telescopes, viewing systems and range finders.

Abbe Prism

BK7

Abbe prisms are famously used in telephone

Porro Prism

BK7

UVFS

Porro prisms are used to high precise 180 beam folding.

Dove Prisms

BK7

 

Dove prisms (with antireflection coatings on the ends) completely invert an image by 180 as a rotator. Also it is used as a retroreflector.

Dispersion Prism

BK7

UVFS

SF14

Dispersing Prisms are used to seperate a beam of white light into its component colors.

Corner Cube Retroreflectors

BK7

Light entering through the hypotenuse is reflected by each of the three surfaces in turn and will emerge through the hypotenuse face parallel to the entering beam regardless of the orientation the incident beam.

 

 

 

 

Specifications (for Right-Angle prisms only)

 

Material:                          BK7, UVFS, Grade A optical glass
Dimension Tolerance:       +0/-0.2mm
Bevel:                              0.2-0.5mmx45º
Clear Aperture:                 >80%
Surface Quality:               60-40 scratch and dig
Flatness:                        1/4 lambda at 632.8nm

 

 

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