Emilio Segrè Visual Archives

More than 30,000 photos of scientists and their work

Zallen Richard B2

Share This

Share/Save

Zallen Richard B2

How will you use this image ?
Select one of the following options.
Individual Use
Not-for-profit Use
For-profit Use (educational only)
Not sure yet

We charge a usage fee per photo if the photo is published, reproduced in a product or publicly exhibited. This is not a license in the legal sense. As a non-profit institution, we do not make any money providing these photographs. It is only by assessing usage fees that we are able to cover the cost of providing publication quality copies of our photos, preserving the photograph collection according to archival standards, and providing access to the collection by maintaining an online image database. The copyright holder may charge a fee in addition to our service fee.

Images are for use in educational projects only and must be used in a respectful manner.

$20.00
Donor: 
Richard Zallen
Image title: 
Phonon-polariton dispersion curve
Credit line: 
Photo by Gene Davis, courtesy AIP Emilio Segrè Visual Archives, Zallen Collection
Description: 

Presentation by Richard Zallen to Xerox colleagues and management at an internal company conference held at the Xerox Webster Research Center (near Rochester, NY) in the Fall of 1970. Projected on the screen is an experimentally determined phonon-polariton dispersion curve for crystalline As2Se3.

Photo date: 
1970
Original format: 
1 digital image/jpeg (grayscale; 5 MB)
Person(s): 
Zallen, Richard
Collection: