| 摘要 |
Optical switch (70) integrated into a substrate, comprising N input channels (74-76) with N input optical free space elements (181-183), an intermediate optical free space element (151), N input tunable optical lenses (152-154) with adjustable projection characteristic f or projecting light waves received from the input optical free space elements (181-183) into the intermediate free space element (151). The switch further comprises M output channels (190-192 ) with M output optical free space elements (77-79), M output tunable optical lenses (155-15 7) with adjustable receiving characteristic for capturing the light wave from the intermediate free space element (151) and for feeding the light wave to the M output optical free space elements (77-79).
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