Blaze Wavelengths and the Positions of the Simulation Curve Relative to those of Reference as a Function of the Component of x0 for N=1

Blaze Wavelengths and the Position of the Simulation Curve Relative to Those of Reference as a Function of the Component of x0 for or N=3

Fresnel light

Chen Shen, Xin Tan, Qingbin Jiao, Wei Zhang, Na Wu, Heshig Bayan, and Xiangdong Qi Opt. Express 26(19) 25381-25398 (2018)

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Sep 12, 2022 — The resulting magnification is simply the ratio of the near-point distance to the focal length of the magnifying lens, so a lens with a shorter ...

Fresnel Effect

Feb 5, 2023 — The mathematical description of aspheric lenses is based on a surface profile equation that defines the shape of the lens surface. This equation ...

Ultraviolet curing (commonly known as UV curing) is a photochemical process in which high-intensity ultraviolet light is used to instantly cure or dry ...

Blaze Wavelengths, Their Weights and the Position of the Simulation Curve Relative to Those of Reference as a Function of the Component of x0 for or N=4

fresnel lens中文

Blaze Wavelengths and the Positions of the Simulation Curve Relative to Those of Reference as a Function of the Component of x0 for N=2

Fresnellens

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Cylindricallens

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Yuanshen Huang, Ting Li, Banglian Xu, Ruijin Hong, Chunxian Tao, Jinzhong Ling, Baicheng Li, Dawei Zhang, Zhengji Ni, and Songlin Zhuang Appl. Opt. 52(5) 1110-1116 (2013)

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Opticallens

Diffraction gratings are very important in hyperspectral imaging. Their desired diffraction efficiency is dictated by the sensitivity of the detector in the spectral band of interest and the luminance of the scene to be observed. If the desired diffraction efficiency curve is established in this spectral band of interest, the remaining work is to design a diffraction grating that meets this demand. This paper is concerned with blazed gratings in reflection, and the geometry of the grating will therefore depend on this reference curve, the spectral band, and the optimization order. The simplest form is a grating with a uniform profile that is optimized at a single-blaze wavelength. It is a monoblaze grating. When such grating cannot meet the requirements in terms of diffraction efficiency, a multiblaze grating optimized at several blaze wavelengths is required. The objective of this paper is to propose a method of optimization of this multiblaze grating, i.e., how to find the number of blaze wavelengths necessary as well as their value to answer the requirements in term of diffraction efficiency.

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Fresnel screen

Auto-ranging LED light meter with detachable and rotatable sensor that allows for one-handed operation. Buy Now. Description; Specifications; Included; Videos ...

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Lenticularlens

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by R Nagai · 2014 · Cited by 86 — In this method, a small flame heats a small region of a fiber with an initial radius r0 to the softening point. While the fiber is pulled from both ends with a ...

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Yunzan Ti, Xiaotao Mi, Jingxuan Zhou, Sibo Jiang, Pengyuan Chen, Shuo Li, Zhiyi Wang, and Tingyu Wang Appl. Opt. 63(11) 2791-2797 (2024)

Huang Li, Xiaoqiang Peng, Yueming Wang, Chaoliang Guan, Hao Hu, Chao Xu, Tao Lai, Hao Liu, and Junfeng Liu Opt. Express 31(22) 36845-36858 (2023)

Diffraction gratings are very important in hyperspectral imaging. Their desired diffraction efficiency is dictated by the sensitivity of the detector in the spectral band of interest and the luminance of the scene to be observed. If the desired diffraction efficiency curve is established in this spectral band of interest, the remaining work is to design a diffraction grating that meets this demand. This paper is concerned with blazed gratings in reflection, and the geometry of the grating will therefore depend on this reference curve, the spectral band, and the optimization order. The simplest form is a grating with a uniform profile that is optimized at a single-blaze wavelength. It is a monoblaze grating. When such grating cannot meet the requirements in terms of diffraction efficiency, a multiblaze grating optimized at several blaze wavelengths is required. The objective of this paper is to propose a method of optimization of this multiblaze grating, i.e., how to find the number of blaze wavelengths necessary as well as their value to answer the requirements in term of diffraction efficiency.

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