Theoretical and experimental investigation on beam resonators of gallium orthophosphate GaPO4
Theoretical and experimental investigation on beam resonators of gallium orthophosphate GaPO4
- Author(s): L. Delmas ; F. Sthal ; E. Bigler ; R. Bourquin
- DOI: 10.1049/cp:20040806
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- Author(s): L. Delmas ; F. Sthal ; E. Bigler ; R. Bourquin Source: 18th European Frequency and Time Forum (EFTF 2004), 2004 p. 1 – 4
- Conference: 18th European Frequency and Time Forum (EFTF 2004)
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- DOI: 10.1049/cp:20040806
- ISBN: 0-86341-384-6
- Location: Guildford, UK
- Conference date: 5-7 April 2004
- Format: PDF
We report progress in theoretical and experimental investigations on vibrating beam resonators made with gallium orthophosphate (GaPO4) crystals. Three kinds of vibrating modes are investigated: length extensional, flexural and torsional. Analytical models to simulate vibrating beam resonators with a rectangular cross-section have been developed and validated by comparison with quartz data on extensional, flexural and torsional GaPO4 resonators. Temperature-compensated cuts have been found theoretically for all three kinds of beam resonators in GaPO4. Experimental devices have been fabricated by ultrasound machining on Z-cut plates. Experimental results on vibrating mode identification and comparison with finite element analysis are presented.
Inspec keywords: resonators; finite element analysis; phosphorus compounds; gallium compounds
Subjects: Waveguide and microwave transmission line components; Finite element analysis
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