Bhaduri, Basanta
Kandel, Mikhail
Brugnara, Carlo
Tangella, Krishna
Popescu, Gabriel
Article History
Received: 28 April 2014
Accepted: 4 August 2014
First Online: 5 September 2014
Competing interests
: G.P. has financial interest in Phi Optics, Inc., a company developing quantitative phase imaging technology for materials and life science applications, which, however, did not sponsor the research.