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(11) | EP 1 146 386 A8 |
(12) | CORRECTED EUROPEAN PATENT APPLICATION |
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(54) | Free-space non-blocking switch |
(57) Optical switch (70) integrated into a substrate, comprising N input channels (74-76)
with N input optical free space elements (181-183), a large optical free space element
(151), N input tunable optical lenses (152-154) with adjustable projection characteristic
for projecting light waves received from the input optical free space elements (181-183)
into the large 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 (155-157) with adjustable receiving characteristic for capturing the light
wave from the large free space element (151) and for feeding the light wave to the
M output optical free space elements (77-79). |