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[ subject:"Physics, Optics." ]
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Novel splice techniques and micro-ho...
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Hong Kong Polytechnic University (Hong Kong).
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Novel splice techniques and micro-hole collapse effect in photonic crystal fibers.
紀錄類型:
書目-電子資源 : Monograph/item
正題名/作者:
Novel splice techniques and micro-hole collapse effect in photonic crystal fibers./
作者:
Xiao, Limin.
面頁冊數:
159 p.
附註:
Adviser: M. Suleyman Demokan.
Contained By:
Dissertation Abstracts International69-12B.
標題:
Physics, Optics. -
電子資源:
http://pqdd.sinica.edu.tw/twdaoeng/servlet/advanced?query=3341128
ISBN:
9780549963356
Novel splice techniques and micro-hole collapse effect in photonic crystal fibers.
Xiao, Limin.
Novel splice techniques and micro-hole collapse effect in photonic crystal fibers.
- 159 p.
Adviser: M. Suleyman Demokan.
Thesis (Ph.D.)--Hong Kong Polytechnic University (Hong Kong), 2008.
Hybrid PCF guides light by a novel guiding mechanism, which is a combination of index-guiding and bandgap-guiding. The properties of the hybrid PCF are systematically investigated.
ISBN: 9780549963356Subjects--Topical Terms:
1018756
Physics, Optics.
Novel splice techniques and micro-hole collapse effect in photonic crystal fibers.
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Source: Dissertation Abstracts International, Volume: 69-12, Section: B, page: 7588.
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Thesis (Ph.D.)--Hong Kong Polytechnic University (Hong Kong), 2008.
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Hybrid PCF guides light by a novel guiding mechanism, which is a combination of index-guiding and bandgap-guiding. The properties of the hybrid PCF are systematically investigated.
520
$a
Two novel techniques were proposed to solve this problem in the thesis. One is fusion splicing technique; the other is micro-tip technique.
520
$a
Photonic crystal fibers (PCFs) represent one of the most active research areas today in the field of fiber optics. Because of the freedom they offer in their design and novel wave-guiding properties, PCFs have resulted in a number of applications that are difficult to achieve with conventional fibers. In practical applications, low-loss connection PCFs with conventional fibers is a key issue for integrating PCF devices into existing fiber optic systems. However, connecting PCFs to conventional fibers without incurring too much loss is a very challenging problem.
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First, fusion splicing technique for PCFs is investigated. For fusion splicing SMFs and PCFs having similar mode field diameters, a low-loss joint with good mechanical strength can be formed by choosing a suitably weak fusion current, short fusion time, offset and overlap to minimize the collapse of air holes and well melt two fibers together. For small-core PCFs, an optimum mode field match and an adiabatic mode field variation can be achieved by repeated arc discharges. Low-loss fusion splicing of five different PCFs with SMFs are achieved, including large mode PCF, hollow-core PCF, nonlinear PCFs with low and high air-filling fraction and polarization maintaining PCF.
520
$a
The other novel technique is using micro-tips. The method is based on growing photopolymer micro-tips directly on the end face of SMFs. The shape and the size of the tips can be controlled, by adjusting the laser power, the exposure time and the oxygen diffusion concentration for polymerization, to match its mode field to the small-core PCFs.
520
$a
Micro-hole collapse effect can be used to fabricate selective injection PCFs. The suitable arc discharge energy can cause the cladding holes to collapse while leaving the central hollow core to remain open. Thus a simple method for selective filling the central hole of PCFs is developed.
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School code: 1170.
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http://pqdd.sinica.edu.tw/twdaoeng/servlet/advanced?query=3341128
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