Telecommunication Journal, 46. sējumsInternational Telecommunication Union, 1979 |
No grāmatas satura
1.–3. rezultāts no 80.
258. lappuse
... fibre configuration which could serve as waveguide for optical frequencies over long distances , and predicted that it should be possible to purify quartz glass so that such waveguides would have an attenuation of 20 dB / km or below ...
... fibre configuration which could serve as waveguide for optical frequencies over long distances , and predicted that it should be possible to purify quartz glass so that such waveguides would have an attenuation of 20 dB / km or below ...
311. lappuse
... fibre optic techniques . A group at Nippon Telegraph and Telephone Public Corporation ( NTT ) describes the development of an optical fibre having " the almost ultimate lower loss in a single - mode fibre which can take full advantage ...
... fibre optic techniques . A group at Nippon Telegraph and Telephone Public Corporation ( NTT ) describes the development of an optical fibre having " the almost ultimate lower loss in a single - mode fibre which can take full advantage ...
382. lappuse
... fibre - to - fibre connections : global connection proce- dures using high - precision mechanical parts , without any sophisticated instruments , were chamber- tested at Lannion in July 1976 and improved subsequently . The test results ...
... fibre - to - fibre connections : global connection proce- dures using high - precision mechanical parts , without any sophisticated instruments , were chamber- tested at Lannion in July 1976 and improved subsequently . The test results ...
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