Optics: measuring and testing – Sample – specimen – or standard holder or support – Fluid containers
Reexamination Certificate
2008-07-29
2008-07-29
Nguyen, Sang (Department: 2886)
Optics: measuring and testing
Sample, specimen, or standard holder or support
Fluid containers
C356S630000, C250S458100, C359S884000
Reexamination Certificate
active
07405819
ABSTRACT:
A sample substrate adapted for use with fluorescence excitation light with a first wavelength. A reflector is disposed on a base. The reflector includes a reflecting multilayer interference coating with at least two layers. Not all of the layers L fulfill a quarterwave condition: dL·nL=(2N+1)·¼ wherein dL is a physical thickness of layer L, nL is an index of refraction of layer L at the first wavelength, N is an integer equal to or greater than zero and 1 is the first wavelength. Thicknesses of the layers ensure that any fluorescent sample material disposed on top of said multilayer interference coating would be located near an antinode of a standing wave formed by the excitation light with the first wavelength incident on said substrate.
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Edlinger Johannes
Heine-Kempkens Claus
Kaspar Martin
Kraus Jorg
Maisenhoelder Bernd
Nguyen Sang
OC Oerlikon Balzers AG
Pearne & Gordon LLP
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