Design of an interferometric system for gauge block calibration

Diz-Bugarín, Javier; Dorrio, Benito Vasquez; Blanco, J.; Miranda, Marta; Outumuro, I.; Valencia, J. L.

doi:10.1117/1.oe.52.4.045601

Cited by 11 publications

(3 citation statements)

References 8 publications

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“…Fig. 1 shows the configuration of our experimental setup [9]. The interferometer employs a calibrated He-Ne laser as reference and an ECDL as unknown laser.…”

Section: Methodsmentioning

confidence: 99%

Design of a New Microcontroller-Based Vernier Fringe Counter for Interferometric Measurement of Laser Wavelength

Diz-Bugarín

Outumuro-González²,

Vazquez-Dorrio

et al. 2016

IEEE Trans. Instrum. Meas.

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This paper presents a new electronic Vernier fringe counter for the wavelength measurement of a diode laser in a scanning interferometer. The system is intended to be a low cost alternative to commercial systems used for gauge block calibration. The counter stage and phase coincidence detector are made with a microcontroller and high-speed CMOS logic to achieve the required resolution. The microcontroller also can synchronize with other elements to make a fully automated measurement system. This electronic design improves the resolution of the electronic counters in the previous designs.

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“…Fig. 1 shows the configuration of our experimental setup [9]. The interferometer employs a calibrated He-Ne laser as reference and an ECDL as unknown laser.…”

Section: Methodsmentioning

confidence: 99%

Design of a New Microcontroller-Based Vernier Fringe Counter for Interferometric Measurement of Laser Wavelength

Diz-Bugarín

Outumuro-González²,

Vazquez-Dorrio

et al. 2016

IEEE Trans. Instrum. Meas.

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“…These diodes were stabilized as part of an interferometric system for gauge block (GB) calibration [1]. Moreover the results, uncertainty analysis and Allan variance for ECDL are also presented.…”

Section: Introductionmentioning

confidence: 99%

Wavemeter uncertainty evaluation for the calibration of external cavity diode lasers

Outumuro¹,

Valencia²,

Diz-Bugarín

et al. 2014

SPIE Proceedings

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The uncertainty of a wavemeter has been evaluated taking into account all contributions. This wavemeter was developed to give traceability to the frequency of external cavity diode lasers. These lasers were stabilized and used as light source in the assembly of a new interferometric system for the gauge block calibration.The wavemeter experimental setup is also presented and is based in a Michelson interferometer, a He-Ne laser used as a reference wavelength and a Vernier counter that allowed us to reduce the uncertainty below 1ppm.

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“…Interferometry, an absolute measurement method, is used for the length measurement of high-grade gauge blocks (grade K) as recommended in ISO 3650:1998(British Standard, 1998. Even though a very high accuracy measuring methods using an interferometer, there are critical errors in interferometry caused by the environment parameters such as temperature, pressure, relative humidity and CO2 concentration (Birch et al, 1993;Jong-Han et al, 2007;Andrew et al, 2010;Diz-Bugarin et al, 2013). Since the refractive index of air surrounding the interferometer depends on these parameters, therefore, the wavelength of the laser used for the length measurement of gauge blocks also depends on these parameters.…”

Section: Introductionmentioning

confidence: 99%

Length Measurement of Long Gauge Blocks by Interferometer

Kohmun

Limsuwan

Ranusawud³

et al. 2020

American Journal of Applied Sciences

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A gauge block interferometer with a vacuum chamber was designed and constructed for the measurement of gauge block lengths between 10 to 1,000 mm. In the chamber, four gauge blocks under the length measurement can be mounted on the measuring table. Furthermore, the length of all four gauge blocks can be measured continuously in one measurement. In this study, four gauge blocks with the nominal length of 125, 200, 400 and 500 mm were used for the length measurement. The environment parameters in the vacuum chamber including temperature, pressure, relative humidity and CO2 concentration were measured. The refractive index of air which depends on environment parameters was determined by using updated Edlén equation. Then, the lengths of four gauge blocks were measured and found to be 125.00025, 200.00019, 400.00070 and 500.00064, respectively.

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Design of an interferometric system for gauge block calibration

Cited by 11 publications

References 8 publications

Design of a New Microcontroller-Based Vernier Fringe Counter for Interferometric Measurement of Laser Wavelength

Design of a New Microcontroller-Based Vernier Fringe Counter for Interferometric Measurement of Laser Wavelength

Wavemeter uncertainty evaluation for the calibration of external cavity diode lasers

Length Measurement of Long Gauge Blocks by Interferometer

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