optical nanolithography
Báo cáo y học: "Optical Coherence Tomography in ocular toxoplasmosis"
Ngày tải lên :
03/11/2012, 11:01
...
2009; 6(3):137-138
© Ivyspring International Publisher. All rights reserved
Short Communication
Optical Coherence Tomography in ocular toxoplasmosis
Dominique Monnet, Kristel Averous, Emmanuelle ... Cochin Ambulatoire d'Ophtalmologie - Hôpital Cochin, Paris (France)
Published: 2009.03.19
Optical Coherence Tomography (OCT) is now a
method of choice to asses conditions such as macular...
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Optical Networking Crash Course
Ngày tải lên :
02/03/2013, 17:00
... in Optical Systems 59
Summary 60
PART TWO FROM COPPER TO GLASS 61
Overview of Optical Technology 61
Total Internal Reflection 63
Later Developments in Optical Transmission 66
Fundamentals of Optical ... fascinating history of optical signal
sources, sinks, the optical fiber itself, and optical switching and routing.
Market Players examines the various segments of the optical net-
working marketplace ... signal components to be added and dropped at various
points along an optical circuit and that performs the Optical-
to-Electrical-to -Optical (O-E-O) conversion required for long-
haul signal delivery...
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Optical time resolved spin dynamics in III-V semiconductor quantum wells
Ngày tải lên :
06/04/2013, 10:57
... of L
z
and barrier height.
The difference in E
1hh
and E
1lh
has fundamental implications to optical polarisation effects.
Electrons in the conduction band have angular momentum (S) of 1/2 ... of the σ
-
states is unchanged at 6.64 meV.
31
1
1. Introduction
This thesis concerns the optical manipulation of electron spin in III-V semiconductor
heterostructures. It presents measurements ... is however an
indirect gap semiconductor, it couples only weakly to light, which, in respect of optical spin
manipulation, places it at a disadvantage relative to its direct gap counterparts....
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NGF Optical Distribution Frame
Ngày tải lên :
16/10/2013, 14:15
... 2,304
NGF Optical Distribution Frame
Things to Consider When Ordering
5/07 • 103742AE
Optical Distribution Frames
17
www.adc.com • +1-952-938-8080 • 1-800-366-3891
High-Density Frame Solutions
NGF Optical ... lineup.
NGF Optical Distribution Frame
Introduction
5/07 • 103742AE
Optical Distribution Frames
13
www.adc.com • +1-952-938-8080 • 1-800-366-3891
High-Density Frame Solutions
NGF Optical Distribution ... 103742AE
Optical Distribution Frames
28
www.adc.com • +1-952-938-8080 • 1-800-366-3891
High-Density Frame Solutions
Description Catalog Number
Work shelf; 762 mm (30") NGF-ACCSHELF1-30
NGF Optical...
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Datasheet - FO - Optical Distribution System - ODS 500
Ngày tải lên :
22/10/2013, 11:15
... customer’s
requirements, the IPC can be
fitted with
■ sub-racks
■ cable guide tray
■ cable channel units
ODS 500
Optical Distribution System
The modular design is based on the purchase of individual components....
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Training - ADC KRONE - Introduction to Fiber Optical
Ngày tải lên :
22/10/2013, 12:15
... distance
capabilities of the optical fibre or to segment the network
• There should not be no more than five intermediate cross-
connects that serve other buildings
8
Optical Fibre Applications
Customer ... consuming
48
Two Level Hierarchical star Interbuilding backbone
Optical Fibre Applications:
Inter-building Backbone in Large Network
33
Centralized Optical Fibre Cabling
36
TYPE SIZE OVERFILL LAUNCH
BANDWIDTH ... alternative to distributed
electronics
46
Optical Fibre Applications:
Inter-building Backbone in Small Network
One Level Hierarchical star Inter-building backbone
43
Optical Fibre Applications
Backbone...
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Optical Distribution Frames (ODF)
Ngày tải lên :
22/10/2013, 17:15
... ADC’s leading Optical Distribution Frame products, the NGF
Preterminated IFC Fiber Block. This information is representative of ADC’s easier-to-understand ordering
approach. See the Optical Distribution...
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Stimulated Emission and Optical Gain in Semiconductors
Ngày tải lên :
23/10/2013, 20:15
... possible to treat both electrons and optical
waves by the quantum theory. However, if the optical wave is represented
by an energy eigenstate, the phase of the optical wave cannot be properly
treated. ... effects of the optical transitions
of the carriers can phenomenologically be represented by the polarization P
at the optical frequency. Assuming that P is proportional to the optical
electric ... Marcel Dekker, Inc.
3
StimulatedEmissionandOptical
GaininSemiconductors
Thischapterpresentsthebasictheoryandcharacteristicsofstimulated
emissionandopticalamplificationgaininsemiconductors.Theformeristhe
mostimportantprinciplethatenablessemiconductorlaserstobeimplemented,
andthelatteristhemostimportantparameterforanalysisofthelaser
performances.First,stimulatedemissioninsemiconductorsisexplained,and
thenquantumtheoryanalysisandstatisticanalysisusingthedensitymatrix
oftheopticalamplificationgainaregiven.Stimulatedemissionandoptical
gaininsemiconductorquantumwellstructureswillbepresentedinthenext
chapter.
3.1BANDSTRUCTUREOFSEMICONDUCTORSAND
STIMULATEDEMISSION
3.1.1BandStructureofDirect-TransitionBandgap
Semiconductors
Semiconductorlasersutilizetheinterbandopticaltransitionsofcarriersina
semiconductorhavingadirect-transitionbandgap.Asiswellknowninthe
electrontheoryofsolids[1],thewavefunctionofanelectronofwavevector
k(momentumhh
k
)inanidealsemiconductorcrystalcanbewrittenasa
Blochfunction
j...
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WDM Optical Switching Networks Using Sparse Crossbars Yuanyuan Yang Department of Electrical &
Ngày tải lên :
24/10/2013, 04:15
... counterpart.
Another challenge in designing WDM optical switching
networks is how to keep data in optical domain so as to e-
liminate the need for costly conversions between optical and
electronic signals (so-called ... of m depends on the type of the
overall optical switching network. For a permutation WDM
optical switching network, m ≥ n [16]; and for a multicast
WDM optical switching network, m ≥ 3(n − 1)
log ... the fiber-
link-based model. Most of existing WDM optical switching network-
sbelongtothefirst category. In this paper we present new designs
for WDM optical switching networks under both models by...
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Multiwavelength Optical Networks, Second Edition
Ngày tải lên :
24/10/2013, 04:15
... 835
11.2 Multiwavelength Optical Network Testbeds 838
11.2.1 Optical Networks Technology Consortium 838
11.2.2 All -Optical Network Consortium 839
11.2.3 European Multiwavelength Optical Network Trials ... 662
8.9 (1 + 1) Protection in the optical layer. 670
8.10 (1:1) Protection in the optical layer. 671
8.11 (1:N) Protection in the optical layer. 671
8.12 (1 + 1) Optical protection and (1:N) electronic ... regenerator. 279
4.72 Nonlinear optical loop mirror regenerator. 280
4.73 Optical crossbar switch. 282
4.74 Path-independent loss crossbar switch. 282
4.75 Circuit layout for 8 × 8 optical crossbar switch....
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NG3 Optical Distribution Frame
Ngày tải lên :
27/10/2013, 01:15
...
NG3
®
Optical Distribution Frame
Frame Accessories
5/07 • 103742AE
Optical Distribution Frames
44
www.adc.com • +1-952-938-8080 • 1-800-366-3891
High-Density Frame Solutions
NG3
®
Optical ... Number
NGF-ACCCLMP08
Ordering Information
5/07 • 103742AE
Optical Distribution Frames
38
www.adc.com • +1-952-938-8080 • 1-800-366-3891
High-Density Frame Solutions
NG3
®
Optical Distribution Frame
Fiber Main Distributing ... mm
(24")
COMP-21
RWS23
5/07 • 103742AE
Optical Distribution Frames
52
www.adc.com • +1-952-938-8080 • 1-800-366-3891
High-Density Frame Solutions
5/07 • 103742AE
Optical Distribution Frames
36
www.adc.com...
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OPTICAL FIBRE CABLE LOOSE TUBE / JELLY FILLED DOUBLE JACKET / SINGLE ARMORED
Ngày tải lên :
27/10/2013, 07:15
... jacket.
2. OPTICAL FIBER
The optical, geometrical and mechanical performance of the optical fiber shall be in
accordance with Table 1 and 2 below.
Table 1. The Optical, Geometrical ... No.: KGST-2002-014
OPTICAL FIBRE CABLE
LOOSE TUBE / JELLY FILLED
DOUBLE JACKET / SINGLE ARMORED
(LTD ARM CABLE)
23
PAGE 3 OF 8
Table 2. The Optical, Geometrical and Mechanical ... the calculated values given in
the table above.
== End of Specification ==
Optical Fibers
Thixotropic Jelly Compound
Loose Tubes
PE Filler
Central Strength...
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Tài liệu Optical Switching Networks docx
Ngày tải lên :
10/12/2013, 14:15
... cost-effective manner.
1.1 Optical point-to-point links
The huge bandwidth potential of optical fiber has been long recognized. Optical fiber
has been widely deployed to build high-speed optical networks ... an optical single-hop connection between two nodes without any (electrical)
intermediate node in between. Optical point-to-point links may be viewed as the begin-
ning of optical networks. Optical ... interesting type of optical network but are still in
their infancy. Alternatively, optical WDM networks are a promising solution to realize
transparent optical networks. In optical WDM networks,...
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