High mechanical quality factor of calcium fluoride (CaF2) at room temperature

Z. Yan; Li Ju; Slawomir Gras; Chunnong Zhao; David Blair

doi:10.1051/epjap:2005015

High mechanical quality factor of calcium fluoride (CaF2) at room temperature

Z. Yan, Li Ju, Slawomir Gras, Chunnong Zhao, David Blair

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

2 Citations (Scopus)

Abstract

We present results on the room temperature mechanical quality factor of single crystal calcium fluoride (CaF2) grown by the Bridgman-Stockbarger method. Resonant mode Q-factors are measured in the frequency range 20 to 76 kHz using tungsten wire loop suspensions. In spite of indications of only moderate crystal purity, we observed 6 modes with Q-factor > 10(7), and one with Q = 4.5 x 10(7), more than an order of magnitude higher than previously reported results.

Original language	English
Pages (from-to)	189-192
Journal	EUROPEAN PHYSICAL JOURNAL : APPLIED PHYSICS
Volume	30
Issue number	3
DOIs	https://doi.org/10.1051/epjap:2005015
Publication status	Published - 2005

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title = "High mechanical quality factor of calcium fluoride (CaF2) at room temperature",

abstract = "We present results on the room temperature mechanical quality factor of single crystal calcium fluoride (CaF2) grown by the Bridgman-Stockbarger method. Resonant mode Q-factors are measured in the frequency range 20 to 76 kHz using tungsten wire loop suspensions. In spite of indications of only moderate crystal purity, we observed 6 modes with Q-factor > 10(7), and one with Q = 4.5 x 10(7), more than an order of magnitude higher than previously reported results.",

author = "Z. Yan and Li Ju and Slawomir Gras and Chunnong Zhao and David Blair",

year = "2005",

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T1 - High mechanical quality factor of calcium fluoride (CaF2) at room temperature

AU - Yan, Z.

AU - Ju, Li

AU - Gras, Slawomir

AU - Zhao, Chunnong

AU - Blair, David

PY - 2005

Y1 - 2005

N2 - We present results on the room temperature mechanical quality factor of single crystal calcium fluoride (CaF2) grown by the Bridgman-Stockbarger method. Resonant mode Q-factors are measured in the frequency range 20 to 76 kHz using tungsten wire loop suspensions. In spite of indications of only moderate crystal purity, we observed 6 modes with Q-factor > 10(7), and one with Q = 4.5 x 10(7), more than an order of magnitude higher than previously reported results.

AB - We present results on the room temperature mechanical quality factor of single crystal calcium fluoride (CaF2) grown by the Bridgman-Stockbarger method. Resonant mode Q-factors are measured in the frequency range 20 to 76 kHz using tungsten wire loop suspensions. In spite of indications of only moderate crystal purity, we observed 6 modes with Q-factor > 10(7), and one with Q = 4.5 x 10(7), more than an order of magnitude higher than previously reported results.

U2 - 10.1051/epjap:2005015

DO - 10.1051/epjap:2005015

M3 - Article

SN - 1286-0042

VL - 30

SP - 189

EP - 192

JO - EUROPEAN PHYSICAL JOURNAL : APPLIED PHYSICS

JF - EUROPEAN PHYSICAL JOURNAL : APPLIED PHYSICS

IS - 3

ER -

High mechanical quality factor of calcium fluoride (CaF2) at room temperature

Abstract

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