Old 07-31-2012, 02:32 PM #1
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Cool 1 trillion frames per second

per title:

LiveLeak.com - A camera that takes one trillion frames per second


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Old 07-31-2012, 02:38 PM #2
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Default Re: 1 trillion frames per second

give credit where its due and post to the original video

Ramesh Raskar: Imaging at a trillion frames per second | Video on TED.com

crazy stuff this idea, just the way they do it is out of this world.
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Old 07-31-2012, 04:34 PM #3
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Default Re: 1 trillion frames per second

wow now thats a high speed camera... 1 million fps is good but 1 trillion? lmao
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Old 07-31-2012, 05:21 PM #4
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Default Re: 1 trillion frames per second

I like the part about a "photon bullet" sure looks like it don't it!
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Old 07-31-2012, 08:28 PM #5
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Default Re: 1 trillion frames per second

No doubt this is a new dimension in photography, very interesting pictures and explaination on applications is feasible.. Good luck to him!
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Old 07-31-2012, 09:11 PM #6
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Default Re: 1 trillion frames per second

WOW. It seems that in the near future we won't merely be lpm'ing our lasers, but also checking them out with femto-photography, astounding. Did you see this on the right side of the page on devilWAH's link? Boaz Almog
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Old 07-31-2012, 11:10 PM #7
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Default Re: 1 trillion frames per second

Great photoshopped picture depicting a packet of photons from a 532nm laser!

Last edited by Encap; 08-03-2012 at 03:48 AM.
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Old 07-31-2012, 11:37 PM #8
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Default Re: 1 trillion frames per second

Very interesting stuff.
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Old 08-01-2012, 03:38 AM #9
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Default Re: 1 trillion frames per second

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Originally Posted by Encap View Post
photons from a 532nm laser!
Did you make that up?
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Old 08-01-2012, 05:19 AM #10
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Default Re: 1 trillion frames per second

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Did you make that up?
Did you watch the video and see at approx. 1 minutes 21 seconds into it the 532nm green laser output and then the portion of output frozen in time?

While Ramesh Raskar didn't say 532nm laser it looked like a 532nm green to me?

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Old 08-01-2012, 05:26 AM #11
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Default Re: 1 trillion frames per second

That image with the green laser is photoshopped to only show a portion of the beam, if you watch the actual highspeed video, the light is white.
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Old 08-01-2012, 06:05 AM #12
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Default Re: 1 trillion frames per second

He certainly spoke laser and few Femto second exposure when showing a 532nm green beam.

The light source for the bottle picture was a Titanium Sapphire laser which typically output 650nm to 1100 more commonly used in 800nm-1100nm range

Maybe I will e-mail him and ask if the bottle photo was infrared rendered as black and white.

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Old 08-01-2012, 06:15 AM #13
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Default Re: 1 trillion frames per second

Quote:
Originally Posted by Encap View Post
Look at the picture of the common/well known laser host and the output?
So... you think the gentlemen at MIT are using a $50 pointer as the centerpiece of their 6-8 figure budget?

Quote:
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Maybe I will e-mail him and ask if the bottle photo was infrared rendered as black and white


No, they rendered it in actual infrared.
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Old 08-01-2012, 06:23 AM #14
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Default Re: 1 trillion frames per second

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He certainly spoke laser and few Femto second exposure when showing a 532nm green beam.
How would there be a green reflection on top of the laser if the light had not yet traveled far enough to reflect back onto it?



Not to mention DPSS isn't nearly fast enough to produce a single pulse of light at that speed, let alone from a pointer.

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Old 08-01-2012, 06:36 AM #15
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Default Re: 1 trillion frames per second

I see your points, still I would like to get more information from the guys who actully did the work.

I will contact Ramesh Raskar and ask.

Will post anything I find interesting.

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Old 08-02-2012, 07:00 AM #16
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Default Re: 1 trillion frames per second

OK Ramesh Raskar responded to me and the the bullet of light in a bottle video was a very complicated very precise process involving million of images assembled to make the the final video. They use an indirect 'stroboscopic' method that records millions of repeated measurements by careful scanning in time and viewpoints and then rearrange the data to create a 'movie' of a nanosecond long event depicting a "photon bullet" moving through a bottle.

The "Bullet of Light" slow-motion playback creates an illusion of a group of photons traveling thru the bottle.

For a better look a "volumetric propagation" components used to assemble the bottle video, see you tube video:
Laser pulse shooting through a bottle and visualized at a trillion frames per second - YouTube

For more detailed information, FAQ explainations, and some fantastic images, see web site: Femto Photography, Camera Culture Group, MIT Media Lab
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