8 results found for spectroscopy

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00:35:00

Science with Combs of Light

by Theodor Hänsch
Science with Combs of Light
for 18-22 and upwards,
Lectures | 18-22 and upwards | 8 years ago | 1569 views
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The spectrum of a frequency comb, commonly generated by a mode-locked femtosecond laser, consists of several hundred thousand precisely evenly spaced spectral lines. Such laser frequency combs have revolutionized the art of measuring the frequency of....

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00:32:00

The Optical Frequency Comb – a Really Versatile Tool

by John Hall
The Optical Frequency Comb – a Really Versatile Tool
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1387 views
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The Optical Frequency Comb concept and technology exploded in 1999-2000 from the synthesis of advances in independent fields of Laser Stabilization, UltraFast Lasers, and NonLinear Optical Fibers. The Comb was developed first as a method for optical....

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00:34:00

What Can We Do with Laser Frequency Combs?

by Theodor Hänsch
What Can We Do with Laser Frequency Combs?
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1525 views
Rating:

The spectrum of a frequency comb, commonly generated by a mode-locked femtosecond laser consists of several hundred thousand precisely evenly spaced spectral lines.  Such laser frequency combs have revolutionized the art measuring the frequency of l....

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00:31:00

Laser Spectroscopy of Hydrogen

by Theodor Hänsch
Laser Spectroscopy of Hydrogen
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1546 views
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The simple Balmer spectrum of atomic hydrogen has provided the Rosetta stone for deciphering the strange laws of quantum physics during the early 20th century.  Four decades ago, Doppler-free laser spectroscopy opened a new chapter in the exploratio....

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00:58:00

Spectroscopy and beyond

by Richard Friend
Spectroscopy and beyond
for 18-22 and upwards,
Lectures | 18-22 and upwards | 15 years ago | 1507 views
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Professor Sir Richard Friend is Cavendish Professor of Physics and part of the Optoelectronics Group at the Cavendish Laboratory, University of Cambridge.His research interests cover: 1) Conjugated Polymers, in particular the development of new semic....

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00:08:00

Nicolaas Bloembergen

by Nicolaas Bloembergen
Nicolaas Bloembergen
for 18-22 and upwards,
Interviews | 18-22 and upwards | 15 years ago | 1357 views
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Interview with Nicolaas Bloembergen, USA, who shared half of the Nobel Prize for Physics in 1981 with Arthur Leonard Schawlow, USA 'for their contributions to the development of laser spectroscopy' He discusses the technical developments of his work ....

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00:05:00

Nuclear Structure and Gamma-ray Spectroscopy

by Michelle Perry
Nuclear Structure and Gamma-ray Spectroscopy
for 22 and upwards,
Lectures | 22 and upwards | 16 years ago | 1958 views
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The use of gamma-ray spectroscopy to study the structure of less well-known nuclei.

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00:05:00

High-Resolution Gamma-Ray Spectroscopy at Florida State University

by Aaron Aguilar
High-Resolution Gamma-Ray Spectroscopy at Florida State University
for 22 and upwards,
Postgraduate presentations | 22 and upwards | 16 years ago | 1569 views
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Studies of nuclear stability using gamma-ray spectroscopy. Use in security scanning; PET scans;

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