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High Accuracy Prisms
High Accuracy Prisms
High Accuracy Prisms
High Accuracy Prisms

Optical Reflecting Deflecting Displacement Rotation and Dispersion Prisms

High Precision Optical Reflecting Deflecting Displacement Rotation and Dispersion Prisms are choosen by Microscopes, Optical Instruments, Binoculars, Telescopes, Periscopes, Surveyring equipements and many sophisticated Scientific Instruments including Interferometers, Spectrophotometers and Fluorimeters.

 

Optical Reflecting Deflecting Displacement Rotation and Dispersion Prisms

 

Products Introduction:

 

An optical Prism is a kind of polyhedron made of optical glasses or crystals with different geometrical shapes, which are widely designed and used in various optical instruments. High precise prisms are mainly divided into four types: reflecting prisms, displacement prisms, rotation prisms and dispersion prisms. These prisms are the most important optical components serving the following purposes: turning the light path, image conversion, image inversion and scanning in optical systems. Hitronics performs all steps in the value chain from design, prototyping, productions over assembly with mechanical elements to mass production.

 

 
 
 
 

Key Parameters

Capacity of production

Materials

N-BK7/H-K9L, JGS1, Corning 7980, FS, Schott, Ohara, Fused Quartz and so son.

Assembly

Optical cements and Physical bonding

Optical Reflecting Displacement Rotation and Dispersion Prisms

  • Optical Hexagonal Prisms (Light Guides)
  • Tapered Uniform Light Pipe Prisms
  • 45° Reflective Light Guides
  • 90° Anti-reflective Coating Light guides
  • TIR Prisms
  • Anamorphic Optical Prisms
  • Deflecting Prisms
  • Dove Rotation Prisms
  • Polarization Beamsplitter Prisms
  • Right Angle Prisms
  • Amici Roof Prisms
  • Corner Prisms

Dimension Tolerances

±0.02mm

OD Tolerances

±0.01mm

Angle Tolerances

+/-1 arc min

Surface Roughness

20/10

Surface Quality

λ/ 8@632.8nm

Coating

Custom

 

Optical Hexagonal Prisms (Light Guides)

 

The light guide uses total internal reflection theory, which can replace the non-uniform light source with a uniform light source regardless of its spectral characteristics. Compared with the square structure light pipe, the hexagonal structure light pipe can reduce the light loss by 30% - 40%. Light sources with small numerical aperture (NA) values require longer light pipes to homogenize the light, while light sources with high numerical aperture (NA) values may use shorter light pipes is enough.

 

Deflecting Optical Prisms

 

Deflecting prisms can

1) Change the direction of the original light path

2) Meet different special mechanical structure design

3) Achieve minimum spacing

 

 

Roof Prisms

 

Roof prisms can be used in applications that require deflection of an image or laser beam by 90 degrees. When passing through the prism, the image is reflected from right to left and top to bottom. The hypotenuse of the prism utilizes total internal reflection (TIR) to reflect the image passing through the prism.

 

90° Anti-reflective Coating Light guides

 

The light guide uses total internal reflection theory, which can replace the non-uniform light source with a uniform light source. 90° transmissive light guides are designed for applications that require uniform light distribution. Available materials and coatings will be selected according to different spectral requirements.

 

TIR Prisms

Small-sized TIR prisms are a kind of cemented optical prisms with three optical parts, and one of them is a spherical lens. It is difficult and crucial to glue and grind the air layer, but we make it competitive. It is used for small projectors, micro projectors like oral-scanner etc.

Size: 10~80mm ±0.1mm 

Angle Accuracy: ±3

Thickness of air layer: above 5um

S/D: λ/4 (632.8nm)  and coating as customized

 

 

Right Angle Prisms

 

Right angle prisms can be used as 90° mirrors due to total internal reflection (TIR). When light is incident from one right-angled face of the prism, the light undergoes total internal reflection at the glass-air interface of the inclined face and exits the other right-angled face. Right angle prisms can deflect incident light by 90°, thereby replacing mirrors. Right angle prisms can also be used as 180° retroreflectors. When the input light is incident from the inclined face of the prism, the light will undergo total internal reflection at the glass/air interface of the right-angle face. A second total internal reflection occurs when passing through the next right-angle surface, and finally emerges from the inclined surface in a direction parallel to the incident beam. As with retroreflectors, the 180° deflection of the optical path is independent of the angle of incidence.

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