应用光学
應用光學
응용광학
JOURNAL OF APPLIED OPTICS
2014年
3期
386-390
,共5页
杨利华%李景%陶玉%林晶%孟军合
楊利華%李景%陶玉%林晶%孟軍閤
양리화%리경%도옥%림정%맹군합
两挡变焦%齐焦%短焦%长焦
兩擋變焦%齊焦%短焦%長焦
량당변초%제초%단초%장초
switch-zoom optical design%confocal design%short focus%long focus
受光学材料折射率、光学加工以及光学装校等误差因素的影响,宽视场短焦子系统和窄视场长焦子系统组成的两挡变焦光学系统的实际像面均偏离理想像面即发生像面漂移,但漂移量不同,导致两子系统产生不齐焦现象。为了解决此问题,以某型载荷中波红外两挡变焦光学系统设计为例,分析齐焦设计时定长焦调短焦和定短焦调长焦两种设计方案的优缺点。比较了定长焦调短焦3种方法,即调变倍组与补偿组、调变倍组和调补偿组的补偿量与长焦焦距变化情况,定短焦调长焦3种方法,即调变倍组与补偿组、调变倍组和调补偿组的补偿量与短焦焦距变化情况,指出定长焦调短焦、单调补偿组的齐焦设计方案为最优方案。
受光學材料摺射率、光學加工以及光學裝校等誤差因素的影響,寬視場短焦子繫統和窄視場長焦子繫統組成的兩擋變焦光學繫統的實際像麵均偏離理想像麵即髮生像麵漂移,但漂移量不同,導緻兩子繫統產生不齊焦現象。為瞭解決此問題,以某型載荷中波紅外兩擋變焦光學繫統設計為例,分析齊焦設計時定長焦調短焦和定短焦調長焦兩種設計方案的優缺點。比較瞭定長焦調短焦3種方法,即調變倍組與補償組、調變倍組和調補償組的補償量與長焦焦距變化情況,定短焦調長焦3種方法,即調變倍組與補償組、調變倍組和調補償組的補償量與短焦焦距變化情況,指齣定長焦調短焦、單調補償組的齊焦設計方案為最優方案。
수광학재료절사솔、광학가공이급광학장교등오차인소적영향,관시장단초자계통화착시장장초자계통조성적량당변초광학계통적실제상면균편리이상상면즉발생상면표이,단표이량불동,도치량자계통산생불제초현상。위료해결차문제,이모형재하중파홍외량당변초광학계통설계위례,분석제초설계시정장초조단초화정단초조장초량충설계방안적우결점。비교료정장초조단초3충방법,즉조변배조여보상조、조변배조화조보상조적보상량여장초초거변화정황,정단초조장초3충방법,즉조변배조여보상조、조변배조화조보상조적보상량여단초초거변화정황,지출정장초조단초、단조보상조적제초설계방안위최우방안。
Switch-zoom optical system is composed of the subsystem with wide field of view and the subsystem with narrow field of view .Due to the errors from many aspects such as the re-fractive index of optical material ,the optical manufacturing and assembling ,the actual image surfaces of both subsystem deviate from their ideal image surfaces ,and the drifts are different , that is ,the two subsystems are not confocal .To solve the problem ,a variety of confocal de-sign schemes ,the selection principle and an optimal scheme w hich fixed long focus and adjus-ted short focus ,adjusted the compensating set for a mid-wave infrared (MWIR) switch-zoom optical system were given .