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>
> Seawater is moreor-less transparent to a properly tuned blue/green lasers, so
> there would be little/no attenuation. No moving parts to corrode in the
> saltwater, and no ejection ports to get gummed up by oceanic detritus.
Nope. It is somewhat translucent to it, to a range of somewhat less than 500
ft.
Otherwise, why do you think that we still work with SONAR for detection of
subs?
James
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Message has 2 Replies: ![](/news/x.gif) | | Re: Bridget
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| (...) Because we can't get the laser technology to work properly yet, but the Navy is currently funding major research & development programs to figure out how to do just that. It's no more blue-sky than supercavitating machine-gun bullets. --Karim (24 years ago, 15-Aug-00, to lugnet.build.mecha, lugnet.space)
| ![](/news/x.gif) | | Re: Bridget
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| (...) You know, that's a great point--I think that when I'm back Stateside, it'll be time to produce something on this principle. Why wouldn't *sonic* weapons be ideal for a fluid medium? If you can work out the dynamics and the power, wave (...) (24 years ago, 4-Sep-00, to lugnet.build.mecha, lugnet.space)
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Message is in Reply To:
![](/news/x.gif) | | Re: Bridget
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| (...) Seawater is moreor-less transparent to a properly tuned blue/green lasers, so there would be little/no attenuation. No moving parts to corrode in the saltwater, and no ejection ports to get gummed up by oceanic detritus. --Karim (24 years ago, 15-Aug-00, to lugnet.build.mecha, lugnet.space)
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27 Messages in This Thread: ![Bridget -Greg Majewski (8-Aug-00 to lugnet.build.mecha, lugnet.space)](/news/x.gif) ![](/news/246.gif) ![Re: Bridget -Mladen Pejic (9-Aug-00 to lugnet.build.mecha, lugnet.space)](/news/x.gif) ![](/news/46.gif) ![Re: Bridget -Alex Roode (9-Aug-00 to lugnet.build.mecha, lugnet.space)](/news/x.gif) ![](/news/46.gif) ![Re: Bridget -Joseph Myers (9-Aug-00 to lugnet.build.mecha, lugnet.space)](/news/x.gif) ![](/news/246.gif) ![Re: Bridget -Mark Sandlin (9-Aug-00 to lugnet.build.mecha, lugnet.space)](/news/x.gif) ![](/news/246.gif) ![Re: Bridget -Joseph Myers (9-Aug-00 to lugnet.build.mecha, lugnet.space)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: Bridget -Paul Baulch (14-Aug-00 to lugnet.build.mecha, lugnet.space)](/news/x.gif) ![](/news/46.gif) ![Re: Bridget -Mark Sandlin (14-Aug-00 to lugnet.build.mecha, lugnet.space)](/news/x.gif) ![](/news/246.gif) ![Re: Bridget -James Powell (14-Aug-00 to lugnet.build.mecha)](/news/x.gif) ![](/news/46.gif) ![Re: Bridget -Karim Nassar (14-Aug-00 to lugnet.build.mecha)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: Bridget -Paul Baulch (15-Aug-00 to lugnet.build.mecha, lugnet.space)](/news/x.gif) ![](/news/246.gif) ![Re: Bridget -Karim Nassar (15-Aug-00 to lugnet.build.mecha, lugnet.space)](/news/x.gif) ![](/news/246.gif) ![You are here](/news/here.gif) ![](/news/246.gif) ![Re: Bridget -Karim Nassar (15-Aug-00 to lugnet.build.mecha, lugnet.space)](/news/x.gif) ![](/news/46.gif) ![Re: Bridget -James Powell (15-Aug-00 to lugnet.build.mecha, lugnet.space)](/news/x.gif) ![](/news/46.gif) ![Re: Bridget -Karim Nassar (15-Aug-00 to lugnet.off-topic.debate)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: Bridget -Lindsay Frederick Braun (4-Sep-00 to lugnet.build.mecha, lugnet.space)](/news/x.gif) ![](/news/46.gif) ![Re: Bridget -James Powell (4-Sep-00 to lugnet.off-topic.debate)](/news/x.gif) ![](/news/246.gif) ![Re: Bridget -Joel Jacobsen (5-Sep-00 to lugnet.off-topic.debate)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: Bridget -Lindsay Frederick Braun (5-Sep-00 to lugnet.off-topic.debate)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: Bridget -Paul Baulch (17-Aug-00 to lugnet.build.mecha, lugnet.space)](/news/x.gif) ![](/news/46.gif) ![Re: Bridget -Mark Sandlin (17-Aug-00 to lugnet.build.mecha, lugnet.space)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/x.gif) ![](/news/68.gif) ![(Cancelled)](/news/x.gif) ![](/news/46.gif) ![Re: Bridget -Stephen F. Roberts (15-Aug-00 to lugnet.build.mecha, lugnet.space)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: Bridget -Greg Majewski (10-Aug-00 to lugnet.build.mecha, lugnet.space)](/news/x.gif) ![](/news/46.gif) ![Re: Bridget -Nathan Falslev (10-Aug-00 to lugnet.build.mecha, lugnet.space)](/news/x.gif)
![](/news/x.gif) ![](/news/68.gif) ![Re: Bridget -Dan Simonson (10-Aug-00 to lugnet.build.mecha, lugnet.space)](/news/x.gif)
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