a phase-encoded input.
from the fiber.
measure the shift of displacement.
| 硕士论文之一： | ||
| 利用近场折射法实现了光纤折射率分布的直接测量，为我国光纤几何尺寸标准制定和传递提供了高精度的测量手段和仪器。 | ||
| 《计量学报》 Vol. 13, No. 2, P.81-87 (1992) | ||
| "光纤折射率分布和几何参数标准测量装置的研究" | ||
| 李天初、方毓文、王民明、方占军、谭小地 | ||
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| Fig.1 Princple with a phase-encoded input. |
Fig.2 We collect the leak light from the fiber. |
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| Fig.3 The measurement system. | ||
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Fig.4 Feed-back Flip-flop Laser to be used to measure the shift of displacement. |
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| 硕士论文之二： | ||
| 首次提出了利用台阶干涉测量液体折射率。 | ||
| 《APPLIED OPTICS》 Vol. 32, No. 13, P.2274-2277 (1993) | ||
| "Stepwise interferometric method of measuring the refractive index of liquid samples" | ||
| Tianchu Li and Xiaodi Tan | ||
| 《光学学报》 Vol. 13, No. 2, P.185-188 (1993) | ||
| "“干涉逼近法”测量液体折射率" | ||
| 李天初、谭小地 | ||
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| Fig.5 Stepped cell fitted on a Michelson-type interferometer. After reflecting from the surfaces (hatched area) of the steps and the step platen in the cell, the measuring beam then recombines with the refernce beam on the surface of the beam splitter. | ||
