Rigaku optics
One mission of Rigaku's Innovative Technology division is to be the world's best in producing X-ray and neutron multilayer coatings, optics, and instruments. Development of innovative solutions that address the needs of X-ray instrument designers and users, production of high quality performance products and on-time-delivery, are a few examples of how Rigaku is able to achieve this goal.
Rigaku's products enable improvements in instrumentation and materials used by many industries to better their products. Today thousands of Rigaku's multilayer optics are in use in X-ray spectrometers and diffractometers made by analytical instrument companies. Rigaku's synchrotron and Neumir™ optics are in use world-wide.
A multilayer optic is produced by depositing alternating layers of light-element- and heavy-element-containing materials onto a substrate. The layer thickness acts like the d spacing in a crystal in the sense that X-rays impinging on a multilayer optic at the proper θ angle will produce a monochromatic diffracted X-ray beam. If the layer thickness is varied across a pre-curved substrate, a graded optic can be produced that captures a larger angle of X-rays from the source and produces either a focused or parallel X-ray beam.
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