| ชื่อเรื่อง | : | Amplitude and phase analysis in digital dynamic holography |
| นักวิจัย | : | Anand, Asundi , Singh, Vijay Raj |
| คำค้น | : | DRNTU::Science::Physics::Optics and light. |
| หน่วยงาน | : | Nanyang Technological University, Singapore |
| ผู้ร่วมงาน | : | - |
| ปีพิมพ์ | : | 2549 |
| อ้างอิง | : | Anand, A., & Singh, V. R. (2006). Amplitude and phase analysis in digital dynamic holography. Optics letters, 31(16), 2420-2422. , 0146-9592 , http://hdl.handle.net/10220/7026 , http://dx.doi.org/10.1364/OL.31.002420 , 143342 |
| ที่มา | : | - |
| ความเชี่ยวชาญ | : | - |
| ความสัมพันธ์ | : | Optics letters |
| ขอบเขตของเนื้อหา | : | - |
| บทคัดย่อ/คำอธิบาย | : | Lensless in-line digital holographic interferometry has the potential for vibration analysis of objects smaller than 5 mm in diameter. This is particularly useful for dynamic characterization of microelectromechanical systems devices. To achieve this, there is a need to magnify the object wave, which is done using a diverging beam. It is observed that an increase in the object-to-CCD distance increases the sensitivity of the amplitude-modulated time-average fringes. At the same time the effect on phase information that represents the mean static deformation of a vibrating object is studied. It is also observed that a reduction in the object-to-CCD distance increases the phase sensitivity as evidenced by the double-exposure time-average fringes. The experimental observation and a theoretical explanation for this contradictory phenomenon are presented. |
| บรรณานุกรม | : |
Anand, Asundi , Singh, Vijay Raj . (2549). Amplitude and phase analysis in digital dynamic holography.
กรุงเทพมหานคร : Nanyang Technological University, Singapore. Anand, Asundi , Singh, Vijay Raj . 2549. "Amplitude and phase analysis in digital dynamic holography".
กรุงเทพมหานคร : Nanyang Technological University, Singapore. Anand, Asundi , Singh, Vijay Raj . "Amplitude and phase analysis in digital dynamic holography."
กรุงเทพมหานคร : Nanyang Technological University, Singapore, 2549. Print. Anand, Asundi , Singh, Vijay Raj . Amplitude and phase analysis in digital dynamic holography. กรุงเทพมหานคร : Nanyang Technological University, Singapore; 2549.
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