Difference between revisions of "Talk:2991: Beamsplitters"
(How to harvest photons from telescopes without interefing with science.) |
(added color TV side-drift) |
||
| Line 1: | Line 1: | ||
<!--Please sign your posts with ~~~~ and don't delete this text. New comments should be added at the bottom.--> | <!--Please sign your posts with ~~~~ and don't delete this text. New comments should be added at the bottom.--> | ||
Pictures taken by telescope are filtered one colour at the time. If the filtered out colours could be diverted, those photons could be harvested without interfering with the scientific studies. Of course, it would still not be economically efficient. [[Special:Contributions/162.158.127.100|162.158.127.100]] 00:33, 28 September 2024 (UTC) | Pictures taken by telescope are filtered one colour at the time. If the filtered out colours could be diverted, those photons could be harvested without interfering with the scientific studies. Of course, it would still not be economically efficient. [[Special:Contributions/162.158.127.100|162.158.127.100]] 00:33, 28 September 2024 (UTC) | ||
| + | Yes, a classic beam-splitter was the first color TV cameras. Three camera tubes (probably vidicons?) on the three outputs of two filtering beamsplitters. Later they did it all in one bottle; still later three chips on two beamsplitters. Color TV can be whacky. --[[User:PRR|PRR]] ([[User talk:PRR|talk]]) 01:35, 28 September 2024 (UTC) | ||
Revision as of 01:35, 28 September 2024
Pictures taken by telescope are filtered one colour at the time. If the filtered out colours could be diverted, those photons could be harvested without interfering with the scientific studies. Of course, it would still not be economically efficient. 162.158.127.100 00:33, 28 September 2024 (UTC) Yes, a classic beam-splitter was the first color TV cameras. Three camera tubes (probably vidicons?) on the three outputs of two filtering beamsplitters. Later they did it all in one bottle; still later three chips on two beamsplitters. Color TV can be whacky. --PRR (talk) 01:35, 28 September 2024 (UTC)
