Femto photography

FEMTO - PHOTOGRAPHY

An Idea of – Mr. Ramesh Raskar (MIT Media Lab)

Presented By :GAURAV CHAUHANE.C 3 year

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INTRODUCTION This technology was developed by Mr.Ramesh Raskar and his team at

the MIT photography lab . The main purpose of developing these technology is to increase the

frame capacity “By having the Trillion FRAMES per second.” Where the present pico photography is able is produce only

1million frames per second.

03/04/2014 GAURAV CHAUHAN

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What is femto photography ?

o Femto photography is the advanced technology of the pico photography

o It is a new imaging technology which can create a light in a motion

o Femto photography can visualizes the world around one trillion frames per second

03/04/2014GAURAV CHAUHAN

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PRINCIPLE BEHIND THE TECHNOLOGY

A packet of photons are released which travels around with the speed of the light (Million times faster than ordinary bullet)

The motion/scattering of the packet can shows the light in motion

Each reflected photons reach the camera at different times (each photon frame can forms a individual raw frame)

These frames combine to develop the replica of image

03/04/2014 GAURAV CHAUHAN

Can you look around the corner ?

2nd Bounce

Multi-path Analysis

1st Bounce

3rd Bounce

STREAK CAMERA

Streak Cameras are high resolution cameras.A streak camera is an instrument used for measuring the

variation in a pulse of light's intensity with time.It is actually an array of 500 or more sensors each of them

triggering at trillionth of a second.They are used to measure the pulse duration of some

ultrafast laser systems and for applications such as time-resolved spectroscopy and LIDAR.

The one used in Femto-Photography is Hamamatsu Streak Camera Model C5680.

• This photo was taken by Dr. Harold E. Edgerton in 1964.• The duration

of the flash in this photo is about 1/3 microseconds.

Moments after the Apple is pierced by the .30 Caliber Bullet

APPLICATIONS

Collision Avoidance

Bronchoscopies

Motion Beyond Line of Sight

Cardioscopies

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ADVANTAGES

This is used to analyze the material properties and faults in industries

We can construct the camera which captures more than a million frames per second

We can recover the 3 – dimensional shape of the objects which can’t done by present 3-D cameras

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DISADVANTAGES

• We can NOT capture the arbitrary event at pico second time revolution

• This technology can easy to miss use by any one• The work with the photons may create some health problems

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CONCLUSION

Finally I conclude that FEMTO is new photographic technology which can captures nearly one trillion frames per second which works with the help of packet of photons and we can illustrate the object with the help of reflected photons

03/04/2014 GAURAV CHAUHAN