微透鏡陣列概述

概述與特性
基本參數
應用領域
概述與特性
微透鏡陣列MLA(又稱復眼透鏡)可以使光束轉化為指定強度分布的光斑,可以用于光束準直collimation、聚焦focusing、均勻化homogenizing、分束beam splitting、成像maging等。主要用于OEM客戶定制生產,包括激光二極管準直(diode laser collimation)、光纖耦合(laser-fibre coupling)、光開關(optical switching), 波分復用(multiplexing) 、三維成像(3D imaging)、天文等,也用于醫療、傳感、光通訊、激光光學、測量等。
基本參數
Material:  Fused Silica, Optical Glass, Plastics  
Spectral range:   193 nm to 14 μm  
Micro Lens Dimension 10 to 4000 μm  
Functional Lens Shape Positive, Negative; Spherical, Aspherical  
Shape Tolerance and Roughness:   ± 10 nm   
Numerical Aperture 0.004 - 0.8  
Array Pattern Orthogonal, Hexagonal, etc.
Lens Positioning:   ± 0.2 μm  
Focal Lenght Variation: ± 2% within 100 mm array dimension  
 Array Dimension  up to 300 x 300 mm2  
Packing Density:   above 90 %

 

應用領域

Laser Microoptics   
laser beam intensity shapers (gaussian, top hat, etc.)   
line, cross or special generators   
mask plates (alphanumerics, diaphragms, logos, etc.)   
beam plainers (for photolithography illumination systems)   
beam collimators, especially for laser diodes    

Medicine   
microoptical elements for endoscopes   
elements for illumination systems   
components of optical systems for ophtalmology,   
dermatology, laser surgery  

Optosensorics and Telecommunications   
components for beam coupling into and out of fiber,   
fiber switches   
elements for optical computing (Fourier-transformers, etc.)   
micro-objectives for CCD-matrices and line sensors   
advanced flat panel displays   
microoptics for projection TV, light shows  

Measuring systems
test structures (depth, angle and distance, standards, etc.
beam multiplexers
components for wave front analyzing systems
elements for multichannel measuring devices

Industrial applications
components of illumination systems
microoptical components for photolithography
and micro-electronics
array elements for automobile lamps
corrective elements for laser welding systems, etc.

 



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