Phase contrast microscope for short wavelength radiation and...

Details Phase contrast microscope for short wavelength radiation and... Phase contrast microscope for short wavelength radiation and...

2006-08-31

2008-08-19

Lavarias, Arnel C (Department: 2872)

Optical: systems and elements

Diffraction

From zone plate

C359S900000, C359S742000, C257S797000, C438S975000

Reexamination Certificate

active

07414787

ABSTRACT:
A phase contrast x-ray microscope has a phase plate that is placed in proximity of and attached rigidly to the objective to form a composite optic. This enables easier initial and long-term maintenance of alignment of the microscope. In one example, they are fabricated on the same high-transmissive substrate. The use of this composite optic allows for lithographic-based alignment that will not change over the lifetime of the instrument. Also, in one configuration, the phase plate is located between the test object and the objective.

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