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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 terms of diffractive optics involve the use of precisely engineered microstructures to control and shape light beams for a variety of advanced applications, leveraging the principles of diffraction to achieve high precision and flexibility.

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

Diffractive pattern generators have a wide range of applications. In laser systems, they are used for beam shaping, allowing the laser beam to form desired shapes such as lines, circles, or complex patterns, which are essential in material processing, medical surgery, and laser printing. They play a crucial role in holography, creating holograms for data storage, security features on credit cards and passports, and 3D imaging. In optical testing and metrology, these generators produce specific patterns for testing optical components, measuring surface topography, and aligning optical systems. They are also used in displays and projection systems, including projectors and augmented reality devices, to create high-resolution and complex images. Additionally, they enhance the performance of optical communication systems by precisely controlling light propagation.

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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