Global solution of achromatic Total Internal Reflection prism in projection system

Jui Wen Pan; Jhong Syuan Li; Chih Ming Wang

doi:10.1016/j.optcom.2018.07.057

Global solution of achromatic Total Internal Reflection prism in projection system

Jui Wen Pan, Jhong Syuan Li, Chih Ming Wang

Department of Optics and Photonics

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

In this paper, an achromatic total internal reflection (TIR) prism set, consisting of two stacked prisms, is designed to reduce the lateral color aberration of a mini projector with light-emitting-diode (LED) light sources. Two different types of the prism set are proposed. Type 1 prism set is the first prism with a small Abbe number material stacked with the second prism with a large Abbe number material. By analyzing the optical properties of the proposed ATIR prism sets, we are able to choose an appropriate optical material combination of the prism set. For type 1 prism set, the corresponding lateral color aberration is 0. 65μm and the size is 2306 mm³. Nevertheless, the type 1 suffers from efficiency loss of 15.5%. For type 2 prism set, the corresponding lateral color aberration is 0. 61μm and the compact prism size is 3000 mm³. Although the size of type 2 prism set is larger than that of type 1, the efficiency loss can be as low as 1 %.

Original language	English
Pages (from-to)	144-151
Number of pages	8
Journal	Optics Communications
Volume	428
DOIs	https://doi.org/10.1016/j.optcom.2018.07.057
State	Published - 1 Dec 2018

Keywords

Geometric optical design
Illumination system
Lens systems design

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10.1016/j.optcom.2018.07.057

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title = "Global solution of achromatic Total Internal Reflection prism in projection system",

abstract = "In this paper, an achromatic total internal reflection (TIR) prism set, consisting of two stacked prisms, is designed to reduce the lateral color aberration of a mini projector with light-emitting-diode (LED) light sources. Two different types of the prism set are proposed. Type 1 prism set is the first prism with a small Abbe number material stacked with the second prism with a large Abbe number material. By analyzing the optical properties of the proposed ATIR prism sets, we are able to choose an appropriate optical material combination of the prism set. For type 1 prism set, the corresponding lateral color aberration is 0. 65μm and the size is 2306 mm3. Nevertheless, the type 1 suffers from efficiency loss of 15.5%. For type 2 prism set, the corresponding lateral color aberration is 0. 61μm and the compact prism size is 3000 mm3. Although the size of type 2 prism set is larger than that of type 1, the efficiency loss can be as low as 1 %.",

keywords = "Geometric optical design, Illumination system, Lens systems design",

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AU - Pan, Jui Wen

AU - Li, Jhong Syuan

AU - Wang, Chih Ming

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N2 - In this paper, an achromatic total internal reflection (TIR) prism set, consisting of two stacked prisms, is designed to reduce the lateral color aberration of a mini projector with light-emitting-diode (LED) light sources. Two different types of the prism set are proposed. Type 1 prism set is the first prism with a small Abbe number material stacked with the second prism with a large Abbe number material. By analyzing the optical properties of the proposed ATIR prism sets, we are able to choose an appropriate optical material combination of the prism set. For type 1 prism set, the corresponding lateral color aberration is 0. 65μm and the size is 2306 mm3. Nevertheless, the type 1 suffers from efficiency loss of 15.5%. For type 2 prism set, the corresponding lateral color aberration is 0. 61μm and the compact prism size is 3000 mm3. Although the size of type 2 prism set is larger than that of type 1, the efficiency loss can be as low as 1 %.

AB - In this paper, an achromatic total internal reflection (TIR) prism set, consisting of two stacked prisms, is designed to reduce the lateral color aberration of a mini projector with light-emitting-diode (LED) light sources. Two different types of the prism set are proposed. Type 1 prism set is the first prism with a small Abbe number material stacked with the second prism with a large Abbe number material. By analyzing the optical properties of the proposed ATIR prism sets, we are able to choose an appropriate optical material combination of the prism set. For type 1 prism set, the corresponding lateral color aberration is 0. 65μm and the size is 2306 mm3. Nevertheless, the type 1 suffers from efficiency loss of 15.5%. For type 2 prism set, the corresponding lateral color aberration is 0. 61μm and the compact prism size is 3000 mm3. Although the size of type 2 prism set is larger than that of type 1, the efficiency loss can be as low as 1 %.

KW - Geometric optical design

KW - Illumination system

KW - Lens systems design

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JO - Optics Communications

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Global solution of achromatic Total Internal Reflection prism in projection system

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Keywords

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