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autocollimator

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autocollimator

[¦ȯd·ō′käl·ə‚mād·ər]
(optics)
A device by which a single lens collimates diverging light from a slit, and then focuses the light on an exit slit after it has passed through a prism to a mirror and been reflected back through the prism.
A telescope which has a graduated reticle, enabling an observer to read off the angles subtended by distant objects.
A convex mirror at the focus of the principal mirror of a reflecting telescope, which causes light to leave the telescope in a parallel beam.
A telescope equipped with an eyepiece designed for autocollimation.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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References in periodicals archive
AI In Aviation Market Research Report by Type (Hardware, Software, Services), Equipment (Autocollimator, Measuring Microscope, Profile Projector, and Others), Technology (Machine Learning, Natural Language Processing, Computer Vision, and Others), Application (surveillance, virtual assistance, flight operations, smart logistics, and Others), and Region-Global Forecast to 2023
AI in Aviation Market Size, Share, Business Opportunities, Technological Advancement, Key Players, Financial Overview and Analysis Report Forecast to 2023
[44] Kinnane MN, Hudson LT, Henins A, Mendenhall MH (2015) A simple method for high-precision calibration of long-range errors in an angle encoder using an electronic nulling autocollimator. Metrologia 52(2):244-250.
The Lattice Spacing Variability of Intrinsic Float-Zone Silicon
The autocollimator 6 is placed on a stationary part of test rig and pointed to the mirror.
Theoretical aspects of the calibration of geodetic angle measurement instrumentation/Teoriniai geodeziniv kampu matavimo prietaisu kalibravimo aspektai
Additionally, the 12-angle polygon can be fitted at the centre of the rotary disc, and the photoelectric autocollimator can be used [2].
Investigation of precise flat angle positioning controller
To ensure high reliability, they should be calibrated using standard instruments such as an indexing table along with an autocollimator (Just et al.
Polynomial error approximation of a precision angle measuring system
An optical device called an autocollimator is used to analyze the pitch and yaw.
Shaping tomorrow's markets
Another metrology instrument, the autocollimator, checks for angular specification conformance in accuracy and repeatability as well as pitch, roll, and yaw.
Choosing the best mechanical motion components
An autocollimator is used to transfer the level to a small, flat mirror probe on a leveling assembly.
Details of the 1998 watt balance experiment determining the Planck constant
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