Whispering gallery modes in a liquid-filled hollow glass microsphere

Shuangqiang Liu; Bojian Shi; Yan Wang; Lugui Cui; Jun Yang; Weimin Sun; Hanyang Li

doi:10.1364/OL.42.004659

Whispering gallery modes in a liquid-filled hollow glass microsphere

Shuangqiang Liu
, Bojian Shi
, Yan Wang
, Lugui Cui
, Jun Yang
, Weimin Sun
, Hanyang Li^*

^*Corresponding author for this work

Harbin Engineering University

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

18 Scopus citations

Abstract

We develop a hydrofluoric (HF) etching process to open a microhole on the hollow glass microsphere (HGM). The typical whispering gallery mode (WGM) resonance was observed by coupling the HGM with a tapered fiber. Dioctyl phthalate was filled into the HGM, and the resonance wavelength decreased at elevated temperatures. We analyzed the WGM resonance properties inside the liquid-filled HGM with a higher or lower refractive index in comparison to the HGM wall. Four different liquids were also injected into the HGM to investigate the influence of the thermo-optic coefficient on the temperature sensitivity. Size-dependent experiments further showed that HGMs with varying sizes have varying temperature sensitivity. The maximum temperature sensitivity observed was 334.3 pm∕°C.

Original language	English
Pages (from-to)	4659-4662
Number of pages	4
Journal	Optics Letters
Volume	42
Issue number	22
DOIs	https://doi.org/10.1364/OL.42.004659
State	Published - 15 Nov 2017
Externally published	Yes

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title = "Whispering gallery modes in a liquid-filled hollow glass microsphere",

abstract = "We develop a hydrofluoric (HF) etching process to open a microhole on the hollow glass microsphere (HGM). The typical whispering gallery mode (WGM) resonance was observed by coupling the HGM with a tapered fiber. Dioctyl phthalate was filled into the HGM, and the resonance wavelength decreased at elevated temperatures. We analyzed the WGM resonance properties inside the liquid-filled HGM with a higher or lower refractive index in comparison to the HGM wall. Four different liquids were also injected into the HGM to investigate the influence of the thermo-optic coefficient on the temperature sensitivity. Size-dependent experiments further showed that HGMs with varying sizes have varying temperature sensitivity. The maximum temperature sensitivity observed was 334.3 pm∕°C.",

author = "Shuangqiang Liu and Bojian Shi and Yan Wang and Lugui Cui and Jun Yang and Weimin Sun and Hanyang Li",

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T1 - Whispering gallery modes in a liquid-filled hollow glass microsphere

AU - Liu, Shuangqiang

AU - Shi, Bojian

AU - Wang, Yan

AU - Cui, Lugui

AU - Yang, Jun

AU - Sun, Weimin

AU - Li, Hanyang

PY - 2017/11/15

Y1 - 2017/11/15

N2 - We develop a hydrofluoric (HF) etching process to open a microhole on the hollow glass microsphere (HGM). The typical whispering gallery mode (WGM) resonance was observed by coupling the HGM with a tapered fiber. Dioctyl phthalate was filled into the HGM, and the resonance wavelength decreased at elevated temperatures. We analyzed the WGM resonance properties inside the liquid-filled HGM with a higher or lower refractive index in comparison to the HGM wall. Four different liquids were also injected into the HGM to investigate the influence of the thermo-optic coefficient on the temperature sensitivity. Size-dependent experiments further showed that HGMs with varying sizes have varying temperature sensitivity. The maximum temperature sensitivity observed was 334.3 pm∕°C.

AB - We develop a hydrofluoric (HF) etching process to open a microhole on the hollow glass microsphere (HGM). The typical whispering gallery mode (WGM) resonance was observed by coupling the HGM with a tapered fiber. Dioctyl phthalate was filled into the HGM, and the resonance wavelength decreased at elevated temperatures. We analyzed the WGM resonance properties inside the liquid-filled HGM with a higher or lower refractive index in comparison to the HGM wall. Four different liquids were also injected into the HGM to investigate the influence of the thermo-optic coefficient on the temperature sensitivity. Size-dependent experiments further showed that HGMs with varying sizes have varying temperature sensitivity. The maximum temperature sensitivity observed was 334.3 pm∕°C.

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DO - 10.1364/OL.42.004659

M3 - 文章

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AN - SCOPUS:85033783904

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VL - 42

SP - 4659

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JO - Optics Letters

JF - Optics Letters

IS - 22

ER -

Whispering gallery modes in a liquid-filled hollow glass microsphere

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