Optical analyzer

Details Optical analyzer Optical analyzer

2005-08-03

2008-12-30

Hindi, Nabil Z (Department: 2627)

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

C369S053120, C369S047440

Reexamination Certificate

active

07471603

ABSTRACT:
There is provided an apparatus capable of switching between a laser that emits light having a wavelength suitable for detecting samples and a laser required for reading traced data, while an analysis optical disc is being traced. In an analyzer in which an analysis disc having a sample to be analyzed which is located in a part of its track is irradiated with laser light to read the state of the sample, a selector switch alternately selects a laser having a wavelength for reading data represented by bits or wobble grooves on the disc and a laser having a wavelength suitable for detecting a sample, in response to an instruction from a control unit.

REFERENCES:
patent: 7079468 (2006-07-01), Worthington et al.
patent: WO 96/09548 (1996-03-01), None

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