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MEMS Optical Products

MEMS Optical's Products  
Gray Scale Technology Beam Splitters
IR Microoptics Laser Diode Corrector
Multi-function Optics Fine Pitch Gratings
Microlens Arrays Plastic Optics & Plastic Molds
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Beam Shapers Scanning Two Axis Tilt Mirrors
Diffusers  
 

Beam Shapers
Lasers do not typically have a uniform beam profile across the entire area of their output. Beam shapers are typically used to convert a gaussian beam intensity profile to a uniform "top hat" shape. These are often the most complex optics to design but MEMS Optical's gray scale lithography allows for the creation of extremely high performance beam shapers, often with uniformity within 2% with virtually no speckle present.

Beam shapers are usually diffractives and work best with a single mode beam but, if a multimode beam is used, a refractive beam integrator type can be made.

Actual measurements taken from a beam before and after it has passed through a MEMS Optical beam shaper

The Images
The images here are actual measurements taken from a beam before and after it has passed through a MEMS Optical beam shaper.
 

<-- Gaussian - Beam intensity profile before shaping

Uniform -->
Beam intensity profile after shaping

Actual measurements taken from a beam before and after it has passed through a MEMS Optical beam shaper

Applications

  • Laser Machining
  • Free space communications
  • Lithography equipment

 

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