9 March 2016 Design of adaptive objective lens for ultrabroad near infrared imaging
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Abstract
We present a compound adaptive objective lens in which a water-filled membrane lens is inserted into a front group (one lens) and a back group (two lenses). This adaptive objective lens works in the ultrabroad near infrared waveband (760nm ~ 920nm) with the volume scan of > 1mm3 and the resolution of 2.8 μm (calculated at the wavelength of 840 nm). The focal range is 19.5mm ~ 20.5mm and the numerical number is 0.196. The size of the adaptive lens is 10mm (diameter) × 17mm (length). This kind of lens can be widely used in three-dimensional (3D) volume biomedical imaging instruments, such as confocal microscope, optical coherence tomography (OCT), two photon microscope, etc.
Conference Presentation
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Gongpu Lan, Gongpu Lan, Guoqiang Li, Guoqiang Li, "Design of adaptive objective lens for ultrabroad near infrared imaging", Proc. SPIE 9713, Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XXIII, 971314 (9 March 2016); doi: 10.1117/12.2214242; https://doi.org/10.1117/12.2214242
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