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DOE_Special-Patterns (Special Patterns)
LD Collimators & Diffractive Optics: Pattern-Generator

Diffractive Optical Element (DOE)

Description:

LD Collimators & Diffractive Optics: Beam-shaping-Optics

Beam shaping optics, in the context of diffractive optics, refer to optical components that manipulate the phase, amplitude, or polarization of a light beam to achieve a desired output beam profile. These optics leverage the principles of diffraction to control and shape light in precise ways, allowing for tailored intensity distributions and phase fronts.

LD Collimators & Diffractive Optics: Beam-Splitter

Diffractive beam splitters offer several advantages. They provide precise control over the angles and intensities of the split beams, can be very thin and lightweight compared to traditional beam splitters, and can be designed to work efficiently with specific wavelengths of light. Applications of diffractive beam splitters include laser systems for splitting laser beams into multiple paths for parallel processing, optical metrology in interferometers and other measurement devices, display technology in projection systems and holographic displays, and spectroscopy for dispersing light into its constituent wavelengths.

LD Collimators & Diffractive Optics: Pattern-Generator

A diffractive pattern generator leverages the principles of diffraction and interference using specially designed optical elements to create and project specific light patterns for a wide range of scientific, industrial, and commercial applications.

This article refers to: DOE_Special-Patterns (Special Patterns) (LD Collimators & Diffractive Optics: Pattern-Generator ) - Special Patterns

DOE Item # Description Design Wavelength Pattern Size @ 100 mm Distance (@ Design Wavelength) Pattern Angles (@ Design Wavelength) Optimum Wavelength Range Image
FDE-R256 Square Grid 51 x 51 Lines 660 nm Width: 39 mm
Height: 39 mm
Diagonal: 55 mm
Line Spacing: 0.77 mm
Width: 22°
Height: 22°
Diagonal: 31°
Angle betw. Lines: 0.44°
530 – 660 nm Grid 51x51 Picture.jpg
FDE-R259 5 Rings 645 nm Width: 51 mm
Line Spacing: 5.1 mm
Width: 29°
Line Spacing: 2.8°
530 – 700 nm Five Circles Picture.jpg
FDE-R269 10 Rings 515 nm Width: 96.2 mm
Line Spacing: 4.8 mm
Width: 51.4°
Line Spacing: 2.6°
488 – 532 nm Ten Circles.jpg
FDE-R285 Hexagon 780 nm Width: 13.1 mm Width: 7.5° 520 – 800 nm Hexagon.jpg
FDE-R354 Square Grid 10×10 Lines 658 nm Width: 72.8 mm
Height: 72.8 mm
Diagonal: 102.9 mm
Line Spacing: 8.1 mm
Width: 40.0°
Height: 40.0°
Diagonal: 51.4°
Angle betw. Lines: 4°
620 – 680 nm Square Grid.jpg
FDE-R396 21×11 Hexagonal Array 660 nm* Width: 61.1 mm
Height: 35.3 mm
Diagonal: 70.5 mm
Dot Spacing: 3.5 mm
Width: 34.0°
Height: 20.0°
Diagonal: 38.8°
Angle betw. Dots: 2.0°
600 – 730 nm
FDE-R397 11×10 Hexagonal Array 660 nm* Width: 44.4 mm
Height: 46.2 mm
Diagonal: 64.1 mm
Dot Spacing: 5.1 mm
Width: 25.1°
Height: 26.0°
Diagonal: 35.5°
Angle betw. Dots: 2.9°
600 – 730 nm
FDE-R399 5 Rings 450 nm Width: 51 mm
Line Spacing: 7.3 mm
Width: 40°
Line Spacing: 4.0°
400 – 500 nm

 

*Large-angle pattern that due to its symmetry properties is subject to geometrical distortion, if the DOE is used at laser wavelengths significantly different (Δλ > 50nm) from the design wavelength.

 
  • Pattern-Generator

Downloads

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FDE-R256 (Square Grid 51 x 51 Lines, 660nm)

431 KB
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FDE-R259 (5 Rings, 645nm)

385 KB
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FDE-R269 (10 Rings, 515nm)

400 KB
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FDE-R285 (Hexagon, 780nm)

363 KB
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FDE-R354 (Square Grid 10 x 10 Lines, 658nm)

277 KB
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FDE-R396 (21 x 11 Dots Hexagonal Array, 660nm)

275 KB
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FDE-R397 (11 x 10 Dots Hexagonal Array, 660nm)

258 KB
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FDE-R399 (5 Rings, 450nm)

237 KB
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