华侨大学学报(自然科学版)
華僑大學學報(自然科學版)
화교대학학보(자연과학판)
Journal of Huaqiao University (Natural Science)
2015年
6期
636-639
,共4页
透镜%曲率半径%二维频域光学相干层析%频谱校正方法
透鏡%麯率半徑%二維頻域光學相榦層析%頻譜校正方法
투경%곡솔반경%이유빈역광학상간층석%빈보교정방법
lens%curvature radius%two-dimensional spectral-domain optical coherence tomography%spectrum correction method
利用自研发的二维频域光学相干层析系统,测量透镜的曲率半径及焦距。为了提高透镜曲率的测量精度,采用频谱校正技术校正快速傅里叶变换产生能量泄漏而造成的误差。试验结果表明:研发的二维频域光学相干层析系统具有非接触式无损伤的特点,可以一次采集成像获取透镜的曲率半径和焦距,不需任何机械扫描运动就能获取透镜的曲率轮廓,且测量结果精确。
利用自研髮的二維頻域光學相榦層析繫統,測量透鏡的麯率半徑及焦距。為瞭提高透鏡麯率的測量精度,採用頻譜校正技術校正快速傅裏葉變換產生能量洩漏而造成的誤差。試驗結果錶明:研髮的二維頻域光學相榦層析繫統具有非接觸式無損傷的特點,可以一次採集成像穫取透鏡的麯率半徑和焦距,不需任何機械掃描運動就能穫取透鏡的麯率輪廓,且測量結果精確。
이용자연발적이유빈역광학상간층석계통,측량투경적곡솔반경급초거。위료제고투경곡솔적측량정도,채용빈보교정기술교정쾌속부리협변환산생능량설루이조성적오차。시험결과표명:연발적이유빈역광학상간층석계통구유비접촉식무손상적특점,가이일차채집성상획취투경적곡솔반경화초거,불수임하궤계소묘운동취능획취투경적곡솔륜곽,차측량결과정학。
Measurement of curvature radius and focus length of lens using a home-made two-dimensional spectral-domain optical coherence tomography (2DOCT)system was proposed.In order to enhance the measurement precision of curva-ture radius of lens,spectrum correction method was employed in the system to reduce the energy effect due to fast Fourier transform computation.The experimental results show that the developed 2DOCT has non-contact and non-invasive in na-ture;the system could measure the radius curvature and focus length of a lens,with high precision,using a single-shot imaging without any mechanical scanning.