DOE_Viewfinder (Viewfinder)
LD Collimators & Diffractive Optics: Pattern-Generator

Description:

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_Viewfinder (Viewfinder) (LD Collimators & Diffractive Optics: Pattern-Generator ) - Viewfinder

DOE Item #	Description	Design Wavelength	Pattern Size @ 100 mm Distance (@ Design Wavelength)	Pattern Angles (@ Design Wavelength)	Optimum Wavelength Range	Image
FDE-R215	Viewfinder	645 nm	Width: 27 mm Height: 17.7 mm Diagonal: 32 mm	Width: 15.5° Height: 10.1° Diagonal: 18.2°	570 – 750 nm
FDE-R234	Viewfinder (Lines Square)	633 nm*	Width: 61 mm Height: 61 mm Diagonal: 86 mm	Width: 34° Height: 34° Diagonal: 47°	590 – 730 nm
FDE-R260	Viewfinder (Circle + Cross)	645 nm	Width Cross: 37 mm Circle Ø: 18.3 mm	Width Cross: 21° Circle Ø: 10.5°	570 – 750 nm
FDE-R261	Viewfinder (Dot Circle + Cross)	635 nm	Width Cross: 11 mm Circle Ø: 8.8 mm Dot Spacing: 1.1 mm	Width Cross: 6.3° Circle Ø: 5° Angle betw. Dots: 0.63°	570 – 750 nm
FDE-R262	Viewfinder (Dot Square)	532 nm	Width: 12.3 mm Height: 12.3 mm Diagonal: 17.4 mm Dot Spacing: 0.5 mm	Width: 7.0° Height: 7.0° Diagonal: 10.0° Angle betw. Dots: 0.3°	480 – 670 nm
FDE-R288	Viewfinder	650 nm	Width: 83.0 mm Height: 53.7 mm Diagonal: 98.9 mm	Width: 43.7° Height: 27.9° Diagonal: 52.6°	590 – 730 nm
FDE-R345	Viewfinder (Circle + Cross)	520 nm	Width Cross: 49.9 mm Circle Ø: 24.6 mm	Width Cross: 28.0° Circle Ø: 14.0°	500 – 540 nm
FDE-R394	Viewfinder	520 nm	Width: 65.9 mm Height: 65.9 mm Diagonal: 93.2 mm	Width: 36.5° Height: 36.5° Diagonal: 50.0°	500 – 540 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.