A solar wafer can be shifted left and right and the whole table can be moved forth and back. This allows quick positioning to every measurement position on a 6 inch solar wafer

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Stud Mount Leveling Feet - Plastic Swivel Base. In stock. Stud Mount Leveling Feet with a Plastic Swivel Base adjust to uneven surfaces and level machine tools, ...

Ultra thin, 1mm Press on Aspheric Lenses may be used temporarily or long term for Rx correction. You can apply a Press-On lenses to the back surface of one ...

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The distance from the last surface of the ocular to the exit pupil is the eye relief. The eye relief is an important functional parameter. At short ...

Collimate means to align and a collimator is a device that takes light traveling in different directions and makes it all travel in parallel. (The term is also used for a much different instrument that does a similar process for something other than light, e.g., particles.) Collimated light is light traveling in parallel beams rather than spreading or converging, an example being the output of a laser. Such collimation is imperfect and can only be approximated, much as optical images always have limits on their accuracy. Light from distant objects is close to being collimated and the term collimator is used for devices achieving such near-collimation to make objects appear distant, such as in a flight simulator. Light from astronomical point sources, such as stars, is closer to true collimation than the output of any collimator.

wafer. Both, the average Reflectance level and the variation of the Reflectance over the wafer, are important and need to be controlled.

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The three main structural components of a compound microscope are the head, base, and arm. The head houses the optical parts, the base supports the microscope ...

The objective is the most difficult component of an optical microscope to design and assemble, and is the first element that light encounters as it proceeds ...

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The word collimate is also commonly used in astronomy in another sense, for the process of aligning the optics in a telescope, e.g., aligning the mirrors and/or lenses so as to produce the best possible image.

Collimating is used in astronomy optics, such as spectroscopes, which may collimate after the initial dispersal (after the first prism or grating) so the separated wavelength's are "traveling in parallel", to allow physical placement of an additional dispersing device further along the optical path, i.e., to assist in the physical design of the instrument.

Aug 19, 2014 — ... differential-interference-contrast-dic/. What Is the Difference between Bright Field and. Differential Interference Contrast Microscopy?

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Collimating light that is diverging from a point can be carried out with a concave mirror (or convex lens) if the curve is just less than enough to focus the light to another point, i.e., at the border between focusing and merely reducing the divergence. A decollimator does the opposite, takes the parallel beams and, e.g., focuses them to a point.

by AHS HOLBOURN · 1936 · Cited by 107 — BY suspending a 6 mm. diameter circular half-wave plate horizontally from a quartz fibre with a torsional constant of 2 × 108 dyne cm. per radian, ...