Dual-wavelength digital holography with a low-coherence light source based on a quantum dot film

Jae Yong Lee; Sungbin Jeon; Jin Sang Lim; Se Hwan Jang; No Cheol Park; Young Joo Kim

doi:10.1364/OL.42.005082

Dual-wavelength digital holography with a low-coherence light source based on a quantum dot film

Jae Yong Lee, Sungbin Jeon, Jin Sang Lim, Se Hwan Jang, No Cheol Park, Young Joo Kim

Department of Mechanical Engineering

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

6 Citations (Scopus)

Abstract

This Letter proposes a dual-wavelength, low-coherence digital holography system with a single light source, which utilizes a quantum dot (QD) film as a wavelength converter. By changing the size of the QDs, the proposed method easily yields higher and more uniform illumination of any target wavelength, compared with bandpass-filtered light-emitting diodes. Fabrication parameters of the QD film for better conversion efficiency are discussed. Using this light source with the dual-wavelength reconstruction method extends the efficiency and range of nanoscale three-dimensional height measurements.

Original language	English
Pages (from-to)	5082-5085
Number of pages	4
Journal	Optics Letters
Volume	42
Issue number	24
DOIs	https://doi.org/10.1364/OL.42.005082
Publication status	Published - 2017 Dec 15

Bibliographical note

Funding Information:
National Research Foundation of Korea (NRF) (2016R1A2B4008869).

Publisher Copyright:
© 2017 Optical Society of America.

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

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10.1364/OL.42.005082

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abstract = "This Letter proposes a dual-wavelength, low-coherence digital holography system with a single light source, which utilizes a quantum dot (QD) film as a wavelength converter. By changing the size of the QDs, the proposed method easily yields higher and more uniform illumination of any target wavelength, compared with bandpass-filtered light-emitting diodes. Fabrication parameters of the QD film for better conversion efficiency are discussed. Using this light source with the dual-wavelength reconstruction method extends the efficiency and range of nanoscale three-dimensional height measurements.",

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AU - Jeon, Sungbin

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AU - Park, No Cheol

AU - Kim, Young Joo

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AB - This Letter proposes a dual-wavelength, low-coherence digital holography system with a single light source, which utilizes a quantum dot (QD) film as a wavelength converter. By changing the size of the QDs, the proposed method easily yields higher and more uniform illumination of any target wavelength, compared with bandpass-filtered light-emitting diodes. Fabrication parameters of the QD film for better conversion efficiency are discussed. Using this light source with the dual-wavelength reconstruction method extends the efficiency and range of nanoscale three-dimensional height measurements.

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Dual-wavelength digital holography with a low-coherence light source based on a quantum dot film

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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