title: Gas coupled laser photothermal interferometry for non-destructive and non-contact studies of biological specimens.
abstract: Photothermal signals from some biological materials exposed to modulated CO2 laser radiation were detected using the concept of photothermal interferometry. The magnitude and a phase of the signals were found to contain qualitative information about subsurface structural changes and variations of moisture content.
authors.affiliation: Physikalisch-Astronomische-Technikwissenschaftliche Fakultät, Institut für Optik und Quantenelektronik, Friedrich-Schiller-Universität, Jena, Germany.
authors.forename: K
authors.initials: K
authors.lastname: Haupt
authors.forename: D
authors.initials: D
authors.lastname: Bicanic
authors.forename: E
authors.initials: E
authors.lastname: Gerkema
authors.forename: A
authors.initials: A
authors.lastname: Frandas
mesh_terms: D007887:Fabaceae / Q000737:chemistry*; D007368:Interferometry / Q000379:methods*; D007834:Lasers; D010063:Ovum / Q000737:chemistry*; D010946:Plants, Medicinal