Thermo-optical switch provided with a laterally shifted element
The invention pertains to a thermo-optical switch comprising at least one input channel, one output channel, two switching channels, and one heating element, where for at least part of the cross-sections of the switch the position of the heating element has been selected such that the difference in...
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Main Authors | , , |
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Format | Patent |
Language | Chinese English |
Published |
21.10.1999
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Subjects | |
Online Access | Get full text |
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Abstract | The invention pertains to a thermo-optical switch comprising at least one input channel, one output channel, two switching channels, and one heating element, where for at least part of the cross-sections of the switch the position of the heating element has been selected such that the difference in effective refractive index, in the switched state, between two of the output channels in said cross-section is at least 80% of the maximally attainable difference. As a result, the load on the switches can be reduced substantially, increasing their lifespan. |
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AbstractList | The invention pertains to a thermo-optical switch comprising at least one input channel, one output channel, two switching channels, and one heating element, where for at least part of the cross-sections of the switch the position of the heating element has been selected such that the difference in effective refractive index, in the switched state, between two of the output channels in said cross-section is at least 80% of the maximally attainable difference. As a result, the load on the switches can be reduced substantially, increasing their lifespan. |
Author | BORREMAN, ALBERT PROPSTRA, KORNELIS HOEKSTRA, TSJERK HANS |
Author_xml | – fullname: PROPSTRA, KORNELIS – fullname: BORREMAN, ALBERT – fullname: HOEKSTRA, TSJERK HANS |
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Notes | Application Number: TW19970106778 |
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Snippet | The invention pertains to a thermo-optical switch comprising at least one input channel, one output channel, two switching channels, and one heating element,... |
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SubjectTerms | BASIC ELECTRIC ELEMENTS DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS RELAYS SELECTORS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF |
Title | Thermo-optical switch provided with a laterally shifted element |
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