F-theta透镜是一种特殊的透镜组,由于它像高与角度的高度线性关系,经常被应用于扫描等场合。利用自由曲面进行F-theta透镜的设计可以提高镜头的使用性能。本文以此为基础,利用Zernike多项式在Zemax 中对自由曲面进行定义,从多个途径出发尝试设计大视场F-theta透镜。针对工作波长1064nm视场60°的系统要求,对四种常用...
The Design of The F-theta Zoom Lens with CO2 Laser Marking Machines [J]. Laser Journal,2009,30(4):17-18.史新刚;高润梅;吴华夏;常胜江;傅汝廉;董戴.CO2激光打标机变焦f—theta透镜的设计.激光杂志.2009.17-18史新刚,高润梅,吴华夏,常胜江,傅汝廉,董戴.  CO2激光打标机变焦f-theta透镜的设计[...
摘要:This article introduces the design process of a two-dimensional f-theta scan lens with orthogonal mirrors using ZEMAX. The design involves optimizing a one-dimensional f-theta scan lens, inserting the orthogonal mirrors, and adjusting the parameters for o 导论: 在实际应用中,二维fθ扫描物镜用...
The study provides the advantageous condition for the development of modern optical engineering.KeywordsFree-form Surface, F-theta lens,optical design, Zernike polynomials 在像质要求较高、视场较大的场合中,我们也可以使用非球面光组在系统中校正像差、改善成像质量和简化结构。但随着科技发展,许多场合需要...
TitleDesignoflargefieldf-thetalenswithfree-formsurface Abstract OpticalFree-formSurfacegenerallyreferstotheopticalsurfacewithoutrotatingaxisofsymmetry,thatiscannotdescribedbyequation.Butbecauseitsgoodfeatures,italsobecomesthehotspotofcurrentopticaldesigns.F-thetalensisaspecialkindoflensgroups.Becauseofitsimage-highandang...
thelensislessthanl9/6,theenergyconcentrationrateis809/6inthecirclewitharadiusof 698 mandthefocusingperformanceisdiffraction—limited. Keywords:opticaldesign;superwideanglef—thetalens;primaryaberrationtheory;laser marking;ZEMAX 引言 f-theta透镜是信息处理、激光刻字、激光照排 ...
This paper based on the principle and characteristics of the f-theta lens, according to the requirements of the user, with ZEMAX software, a f-theta lens design. The lens focal length is 500mm and the field of view isfalse. After optimization design, astigmatism values in aberration capacity...
This study is about the design and simulation of an f-theta lens, one of the main components used in laser printers and laser scanning systems. To design an f-theta lens, the optical paths of the components of the laser scanning unit, th... YW Park,JU Cho,SK Lyu - 《Journal of the...
1064 nm Design Wavelength Focal Length: 100 mm, 160 mm, or 254 mm Galvo Mounting Bracket Available FTH100-1064 FTH160-1064-M39 M85 x 1.0 Thread M39 x 1.0 Thread FTH254-1064 Lens and GVS012 Galvo Mirror Pair in a GAS012 Mounting Bracket ...
The diffraction-limited, multiple-element, air-spaced lens design is optimized for a flat field in the image plane and low f-theta distortion. In an f-theta lens, the output beam displacement is equal to f*θ, where θ is the angle of incidence of the input beam (see the diagram ...