Abstract: According to the invention, two simultaneous images with different wavelengths (?1, ?2) are formed in synchronism with each illuminance laser pulse, one of the Images corresponding to the wavelength (?1) of the laser pulses, and the difference between the two images is generated.
Type:
Grant
Filed:
November 22, 2007
Date of Patent:
December 28, 2010
Assignee:
Campagnie Industielle des Lasers Cilas
Inventors:
Jean-Louis Duvent, Jean Yves Thomas, Pierre Morin, Bernard Robic