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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, especially those employing diffractive techniques, excel in enhancing laser machining, welding, and cutting by providing uniform energy distribution, resulting in cleaner and more efficient processes. In medical applications, they enable precise laser surgeries, such as LASIK, improving patient outcomes with minimal collateral damage. Additionally, they significantly boost optical communication by enhancing laser light coupling into fibers and managing modal dispersion, thus maintaining signal integrity over long distances.

LD Collimators & Diffractive Optics: Beam-Splitter

Diffractive beam splitters excel in applications requiring precise control of light beams, compact and lightweight design, wavelength specificity, high efficiency, and versatile beam pattern generation. They are particularly valuable in laser systems, optical metrology, display technology, and spectroscopy, where their unique properties provide significant advantages over traditional beam splitters.

LD Collimators & Diffractive Optics: Pattern-Generator

A diffractive pattern generator is a device or system that uses the principles of diffractive optics to create specific light patterns. Diffractive optics involves the manipulation of light through structures with dimensions comparable to the wavelength of light, typically using interference and diffraction effects.

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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