Design and manufacture of diffractive
optical elements

Beam Shaper: Custom shape & intensity distribution

Holo/Or has vast variety of solutions for beam shaping:
The beam shapers are diffractive optical elements (DOEs) used to transform a SM or MM incident laser beam into any shape with any intensity distribution in a specific work plane.

In this section, we present our beam shaper DOEs which give a custom intensity distribution & custom shape at infinity or focal length of an aberration free customer's lens.

Custom Optical Diffuser Custom Optical Diffuser
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example: ML-001-I-Y-A

Materials:Fused Silica, ZnSe, Plastic
Wavelength range:193nm to 10.6um
DOE design:2-level (binary) to 16-level
Pattern angles @532nm:Few mRad to 160deg
Diffraction efficiency:75% - 98%
Element size:Few mm to 100mm
Coating (optional):AR/AR Coating
Custom Design:Almost any arbitrary shape and intensity distribution
Features:
  • Good Uniformity
  • Sharp beam edge (according to the M2 of the laser)
  • Glass or plastic materials
  • High power threshold
  • Optional Ar/Ar coating
  • Any output beam profile
  • Wavelengths from UV to IR
Applications:
  • Laser homogenizing/shaping
  • Laser materials processing: perforation, welding, cutting, scribing, ablation and drilling
  • Medical/aesthetic laser treatment
  • Beam shaping for Excimer lasers
  • Hot spot reducer
DOE tuner - Holo/Or DOE Tuner A DOE Tuner is intended to fine-tune many characteristics of Beam-Shaping and Beam-Splitting results, as: adjusting separation angle of a MultiSpot DOE, Top-Hat size at the focal plane, or divergence angle of diffuser / Homogenizer. The DOE tuner can also be used as a small beam expander for fine-tuning the input beam size before the DOE (mainly for Top-Hats).
Beam Shaping Focuser - Holo/Or Beam Shaping Focuser The Beam Shaping Focuser is a focusing module optimized for Top-Hat (Beam Shaper) DOE. The focusing module is useful for short wavelengths and short Effective Focal Length (EFL) systems with large input beam size.
undesired orders blocker - Holo/Or Undesired Diffracted Orders Blocker (UDOB) An Undesired Diffracted Orders Blocker (UDOB) blocks undesired spots of MultiSpot or parasitic energy of diffuser / Homogenizer, enabling precise shape and energy distribution at the focal plane. The UDOB can be also used for making very sharp edges for diffuser / Homogenizer.
Dielectric mask - Holo/Or Dielectric Mask A Dielectric mask is a custom aperture built from a very thin high reflection/patterned layer (~1[┬Ám]), to improve performances when combined with a DOE, and minimize diffraction effects when used with an imaging lens.
DOE expander - Holo/Or DOE Expander The module reduces or expands the full angle of a DOE by a magnification factor. The module can be used as angle reducer or angle expander with our beam shaping, beam splitting and beam foci elements.
mounting adapters - Holo/Or Mounting Adapter Holo/Or supplies mounting adapters for use of smaller diameter optics (11, 12.5, 15, 18, 19, 20 and 22[mm]) to 25.4[mm] mounts, as well as adapters for use of square optics (7.25x7.25, 10x10, 12x12, 12.7x12.7, 14.1x14.1, 15x15[mm]) to 25.4[mm] mounts and 5x5[mm] to 11[mm] mounts.
@Copyright 2017, Holo/Or Ltd. P.O.B 1051, Rehovot, 7611001 Israel
Phone: +972-89409687/8, Fax: +972-89409606

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