Beat frequency measurement of the stabilized He-Ne laser 633 nm calibration in SNSU-BSN

In the metrology area, typical stabilized lasers are used as length primary standard. KIM-1, i.e. the iodine stabilized He-Ne laser in National Measurement Standards Laboratory-National Standardization Agency of Indonesia (SNSU-BSN) has been traceable to SI through CCL-K11 inter-laboratory compariso...

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Bibliographic Details
Published in:Journal of physics. Conference series 2020-04, Vol.1528 (1), p.12003
Main Authors: Hapiddin, Asep, Yulita Ika, P., Boynawan, A.M., Ratnaningsih, Agmal, Swivano, Novyanto, Okasatria
Format: Article
Language:English
Subjects:
Beams (radiation)
Beat frequencies
Calibration
Frequency measurement
Iodine
Laboratories
Lasers
Optical frequency
Standardization
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Summary:In the metrology area, typical stabilized lasers are used as length primary standard. KIM-1, i.e. the iodine stabilized He-Ne laser in National Measurement Standards Laboratory-National Standardization Agency of Indonesia (SNSU-BSN) has been traceable to SI through CCL-K11 inter-laboratory comparison. The result was suitable for KIM-1 to be used as the length primary standard in SNSU-BSN. Beat frequency measurement has been applied in the optical frequency and wavelength calibration system for stabilized He-Ne laser 633 nm using KIM-1 as a reference standard. In the calibration replica, a dual-frequency mode (Agilent 5519B) took a role as DUT laser, which emits a pair of beams with a central wavelength of 632.991 354 nm in the vacuum with frequency difference 3.4 to 4.0 MHz and ±0.02 ppm stability for a typical lifetime. As a measurement result, the beat frequencies of the 1st and 2nd polarized beam of Agilent 5519B against KIM-1 are (121.33±0.06) MHz and (118.59±0.06) MHz.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1528/1/012003