1300萬(wàn)像素折衍混合手機(jī)鏡頭設(shè)計(jì)
發(fā)布時(shí)間:2018-01-30 04:24
本文關(guān)鍵詞: 光學(xué)設(shè)計(jì) 手機(jī)鏡頭 衍射光學(xué)元件 1300萬(wàn)像素 出處:《長(zhǎng)春理工大學(xué)》2016年碩士論文 論文類型:學(xué)位論文
【摘要】:手機(jī)鏡頭行業(yè)正處于高速發(fā)展階段,市場(chǎng)規(guī)模和需求不斷擴(kuò)大。隨著市場(chǎng)對(duì)高像素手機(jī)鏡頭的需求越來(lái)越多,各種高像素的設(shè)計(jì)也應(yīng)運(yùn)而生。論文概述了手機(jī)鏡頭的結(jié)構(gòu)原理及手機(jī)鏡頭鍍膜方法,討論了非球面的加工方法及塑料非球面的優(yōu)缺點(diǎn)和分類。重點(diǎn)討論了衍射光學(xué)元件的成像特性及加工方法,并利用光學(xué)設(shè)計(jì)軟件ZEMAX設(shè)計(jì)出一款1300像素折衍混合式手機(jī)鏡頭。鏡頭焦距為2.2mm,全視場(chǎng)角70°,F數(shù)為2.2,系統(tǒng)總長(zhǎng)小于6.7mm。對(duì)其進(jìn)行優(yōu)化及公差分析,優(yōu)化后在223lp/mm處0.7視場(chǎng)內(nèi)MTF值均大于0.36,在446lp/mm處0.7視場(chǎng)內(nèi)MTF值接近于0.2,相對(duì)畸變小于1%,最終得到的設(shè)計(jì)結(jié)果結(jié)構(gòu)合理、像質(zhì)優(yōu)良。
[Abstract]:The mobile phone lens industry is in the high speed development stage, the market scale and the demand expands unceasingly. With the market to the high pixel handset lens demand more and more. A variety of high-pixel design has emerged. This paper summarizes the structure of mobile phone lens and the coating method of mobile phone lens. The processing methods of aspheric surfaces and the advantages and disadvantages of plastic aspherical surfaces are discussed, and the imaging characteristics and processing methods of diffractive optical elements are emphatically discussed. A 1300-pixel hybrid lens is designed by using the optical design software ZEMAX. The focal length of the lens is 2.2 mm and the total field of view angle 70 擄F is 2.2. The total length of the system is less than 6.7mm. after optimization and tolerance analysis, the MTF value of the system is more than 0.36 at the point of 223lp / mm. At 446lp / mm, the MTF value is close to 0.2 and the relative distortion is less than 1. The result is reasonable in structure and good in image quality.
【學(xué)位授予單位】:長(zhǎng)春理工大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2016
【分類號(hào)】:TN929.53
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本文編號(hào):1475285
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