Technical Articles

Knight Optical (USA) LLC has published these technical articles:

(Optical Components)
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Multilingual design glossary for optical components and topics.... (View Full Article)
(Optical Components)
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Ball lens diameter tolerances are expressed around the size of lens ordered to which the basis of the basic lens diameter tolerance applies to.... (View Full Article)
(Optical Components)
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This material specification concerns single crystal cultured quartz bars intended for use in the fabrication of piezoelectric elements for such applications as timing, frequency control and frequency... (View Full Article)
(Optical Components)
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A circular polariser comprises a linear polariser and a ¼ wave retarder whose slow and fast axes are at 45 degrees to the axis of the polariser.... (View Full Article)
(Optical Components)
From this Article:
A circular polariser comprises a linear polariser and a ¼ wave retarder whose slow and fast axes are at 45 degrees to the axis of the polariser.... (View Full Article)
(Optical Components)
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The simplest test is to view the reflected light from a flat surface, e.g. a windowsill, through the polariser. One way the light will be bright, this is when the polariser axis is parallel to the... (View Full Article)
(Optical Components)
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Light bands formed by using an optical flat and a monochromatic light source represent an inexpensive yet accurate method of checking surface flatness. The monochromatic light on which the following... (View Full Article)
(Optical Components)
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Image intensification, Active illumination & Thermal imaging are three techniques used in Night Vision applications... (View Full Article)
(Optical Components)
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Table comparing optical glasses.... (View Full Article)
(Optical Components)
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Light is a form of electro-magnetic waves that exhibit polarisation, which can oscillate in more than one orientation. Linear polarisation is represented graphically, for example, by a straight line,... (View Full Article)
(Optical Components)
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Formula used to calculate pressure window.... (View Full Article)
(Optical Components)
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This article addresses concerns re the MIL Spec standard for inspection of scratches and digs... (View Full Article)
(Optical Components)
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n the infra-red wavebands from 1µm to over 10µm the copper surface will maintain its reflectivity of over 90%.... (View Full Article)
(Optical Components)
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Our IR-cut filters are designed to block by means of reflection the NIR spectrum while transmitting highly in the visible range. Our filters also block UV light below 350nm.... (View Full Article)
(Optical Components)
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Explains general and custom capabilities of laser mirrors.... (View Full Article)