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Browsing by Author Ratchapak Chitaree

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Showing results 6 to 21 of 21 < previous 
Issue DateTitleAuthor(s)
1-Oct-2018Effect of density and surface finishing on sound absorption of oil palm frondNanthicha Bubparenu; Nikhom Laemsak; Ratchapak Chitaree; Tanasri Sihabut; Kasetsart University; Mahidol University; Center of Excellence on Environmental Health and Toxicology (EHT)
1-Jan-2014Fast and effective method to distinguish the polarizing components using a polarizing triangular cyclic interferometerRapeepan Keawon; Chutchai Pawong; Apichai Bhatranand; Ratchapak Chitaree; King Mongkuts University of Technology Thonburi; Rajamangala University of Technology system; Mahidol University
23-Jul-2009A handheld LED coloured-light mixer for students to learn collaboratively the primary colours of lightSuchai Nopparatjamjomras; Ratchapak Chitaree; Bhinyo Panijpan; Mahidol University
13-Dec-2010Improve students' awareness of linking the experiment with their real livesJiradawan Huntula; Ratchapak Chitaree; Mahidol University
1-Jan-2013Investigating Thai Freshmen Students' Understanding in Five Basic Essential Properties of Laser BeamJintawat Tanamatayarat; Kwan Arayathanitkul; Narumon Emarat; Ratchapak Chitaree; King Mongkut's University of Technology North Bangkok; Mahidol University
10-Mar-2017Measurement of phase retardation in a liquid crystal variable wave retarder using a polarizing triangular interferometerChutchai Pawong; Rapeepan Kaewon; Ratchapak Chitaree; Apichai Bhatranand; Rajamangala University of Technology system; King Mongkut s University of Technology Thonburi; Mahidol University
1-Jan-2015An optical tunable fiber filter based on the concatenated single-mode optical fibers with different cut-off wavelengthsWanvisa Talataisong; Ratchapak Chitaree; Mahidol University
10-Mar-2017The period sensitivity and modal sensitivity of optical fiber force sensor based on mechanical induced ultra-long period fiber gratingRatchapak Chitaree; Wanvisa Talataisong; Mahidol University
1-Jan-2018Polarization phase-shifting technique for the determination of a transparent thin film’s thickness using a modified sagnac interferometerRapeepan Kaewon; Chutchai Pawong; Ratchapak Chitaree; Apichai Bhatranand; Rajamangala University of Technology system; Mahidol University; King Mongkut s University of Technology Thonburi
1-Apr-2011The rotating linearly polarized light from a polarizing Mach-Zehnder interferometer: Production and applicationsChutchai Pawong; Ratchapak Chitaree; Chernchok Soankwan; Mahidol University
1-Jan-2020The study of geometries effect of hexagonal metamaterial absorber in the terahertz regimeNatsima Sakda; Ratchapak Chitaree; Mahidol University
1-Jan-2009Using students misconceptions of primary coloured lights to design a hands-on coloured light mixerSuchai Nopparatjamjomras; Ratchapak Chitaree; Mahidol University
1-Jan-2009Using students' misconceptions of primary coloured lights to design a hands-on coloured light mixerSuchai Nopparatjamjomras; Ratchapak Chitaree; Mahidol University
Jan-2015Using the missing pin to challenge concepts of refraction and total internal reflectionTamang, Sushmika; Suchai Nopparatjamjomras; สุชัย นพรัตน์แจ่มจำรัส; Ratchapak Chitaree; Thasaneeya R Nopparatjamjomras; ทัศนียา รัตนฤาทัย นพรัตน์แจ่มจำรัส; Mahidol University. Institute for Innovative Learning; Mahidol University. Faculty of Science; Motithang Higher Secondary School
1-Jan-2020Utilization of the cyclic interferometer in polarization phase-shifting technique to determine the thickness of transparent thin-filmsRapeepan Kaewon; Chutchai Pawong; Ratchapak Chitaree; Tossaporn Lertvanithphol; Apichai Bhatranand; Rajamangala University of Technology Krungthep; Silpakorn University; Mahidol University; Thailand National Electronics and Computer Technology Center; King Mongkut s University of Technology Thonburi
13-Dec-2010What Thai students think about directions and types of frictional forcesSingha Prasitpong; Ratchapak Chitaree; Mahidol University