Micro prisms for use with laser sources and imaging applications

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Tower Optical Corp. has expanded its line of precision optics to include standard micro prisms for use with laser sources and imaging applications. The Series MPU are right angle, 45°-90°-45° prisms, that are uncoated and whose size is A=B=C. They are available in 0.5mm, 0.7mm, 1.0mm, 1.5mm, 2.0mm, 2.5mm, 3.0mm, 4.0mm and 5.0mm sizes.
These Right Angle Prisms are used to deflect a light beam 90° or 180° as shown above. Depending on prism orientation, images will be inverted, but correct left to right. If the prism is rotated 90°, images viewed through it will be erect, but reversed left to right.
Prisms can also be used as reflectors depending on the orientation of the prism with respect to incoming light. These uncoated prisms act as mirrors for light incident on one of the short sides since incident light is totally internally reflected at the hypotenuse. Total Internal Reflection, TIR, occurs when the angle of incidence is greater than the critical angle, which for the glass-air interface occurs at 41.2°.
• Nine standard sizes available: 0.5, 0.7, 1.0, 1.5, 2.0, 2.5, 3.0, 4.0 and 5.0mm
• 45° - 90° - 45°
• Uncoated, optional coating available
• Use for concept testing or production
• Low Cost

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