Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Plastic Deformations of Members with a Single Plane of Symmetry

Plastic Deformations of Members with a Single Plane of Symmetry

When a structural member undergoes plastic deformation due to bending, it is crucial to understand the position of the neutral axis and the stress distribution. This member, characterized by a single plane of symmetry, exhibits a uniform stress distribution, with negative stress above the neutral axis and positive stress below. Notably, the neutral axis does not align with the centroid of the cross-section. This misalignment is typical in cases where the cross-section is not rectangular or...

Transformation of Plane Strain

Transformation of Plane Strain

When analyzing elongated structures like bars subjected to uniformly distributed loads, it is essential to understand the transformation of plane strain when coordinate axes are rotated. This transformation helps to assess how material deformation characteristics vary with orientation, which is crucial in materials science and structural engineering.
Under plane strain conditions, typical for members where one dimension significantly exceeds the others, deformations and resultant strains are...

Gauss's Law: Planar Symmetry

Gauss's Law: Planar Symmetry

A planar symmetry of charge density is obtained when charges are uniformly spread over a large flat surface. In planar symmetry, all points in a plane parallel to the plane of charge are identical with respect to the charges. Suppose the plane of the charge distribution is the xy-plane, and the electric field at a space point P with coordinates (x, y, z) is to be determined. Since the charge density is the same at all (x, y) - coordinates in the z = 0 plane, by symmetry, the electric field at P...

Planes in Space

Planes in Space

A plane in three-dimensional space is fundamentally characterized by a point that lies on the plane and a normal vector that is perpendicular to its surface. This normal vector uniquely determines the orientation of the plane, making it an essential geometric descriptor. In architectural applications, such as the installation of a sloped glass panel on a building façade, this mathematical model provides a precise representation of the panel’s position and orientation in space.Let r₀ be the...

Deformations in a Transverse Cross Section

Deformations in a Transverse Cross Section

When a material is subjected to uniaxial stress, it elongates or contracts in the direction of the applied force, and also undergoes changes in the perpendicular directions. This behavior is crucial for understanding how materials behave under stress and is governed by mechanical properties such as Poisson's ratio v, which measures the ratio of transverse strain to axial strain.
As the material stretches, it expands or contracts in orthogonal directions to the load. This phenomenon varies...

Reflective Property of Parabolas

Reflective Property of Parabolas

A parabola is a basic type of conic section that results from the intersection of a plane with a double-napped cone in a direction parallel to one of the cone's sides. This U-shaped curve has a distinctive reflective property: all incoming rays parallel to its axis of symmetry are directed toward a single point, known as the focus. This property is widely utilized in optical and communication technologies that require precise signal concentration.In analytic geometry, a parabola is defined as...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Postmortem toxicology of alcohols: A cross-matrix study of ethanol and methanol in 150 cases from New Delhi, India.

Medicine, science, and the law·2026

Same author

Customized Non-invasive Brachytherapy With Tailored Surface Moulds: An Experience From a Tertiary Care Centre.

Clinical oncology (Royal College of Radiologists (Great Britain))·2026

Same author

Adaptation of the gut pathobiont Enterococcus faecalis to deoxycholate and taurocholate bile acids.

Scientific reports·2022

Same author

Anomalous pressure dependence of the electronic transport and anisotropy in SrIrO<sub>3</sub>films.

Journal of physics. Condensed matter : an Institute of Physics journal·2020

Same author

Public health crisis of road traffic accidents in India: Risk factor assessment and recommendations on prevention on the behalf of the Academy of Family Physicians of India.

Journal of family medicine and primary care·2019

Same author

TREATMENT OF PALMOPLANTER HYPERHIDROSIS BY IONTOPHORESIS.

Medical journal, Armed Forces India·2017

Search research articles

Related Experiment Video

Updated: Jul 8, 2026

Measuring the Complete-arch Distortion of an Optical Dental Impression

Measuring the Complete-arch Distortion of an Optical Dental Impression

Published on: May 30, 2019

Distortion in a 2-D scan pattern generated by combining a plane mirror and a regular polygon scanner.

R Hradaynath¹, A K Jaiswal

¹Instruments Research & Development Establishment, Dehra Dun-248008, India.

|February 15, 1983

Summary

Researchers investigated 2-D scan pattern distortion using plane mirrors and polygon scanners. A specific configuration was found to eliminate distortion, ensuring accurate scan patterns.

More Related Videos

Medical-grade Sterilizable Target for Fluid-immersed Fetoscope Optical Distortion Calibration

Medical-grade Sterilizable Target for Fluid-immersed Fetoscope Optical Distortion Calibration

Published on: February 23, 2017

Detection of Architectural Distortion in Prior Mammograms via Analysis of Oriented Patterns

Detection of Architectural Distortion in Prior Mammograms via Analysis of Oriented Patterns

Published on: August 30, 2013

Related Experiment Videos

Last Updated: Jul 8, 2026

Measuring the Complete-arch Distortion of an Optical Dental Impression

Measuring the Complete-arch Distortion of an Optical Dental Impression

Published on: May 30, 2019

Medical-grade Sterilizable Target for Fluid-immersed Fetoscope Optical Distortion Calibration

Medical-grade Sterilizable Target for Fluid-immersed Fetoscope Optical Distortion Calibration

Published on: February 23, 2017

Detection of Architectural Distortion in Prior Mammograms via Analysis of Oriented Patterns

Detection of Architectural Distortion in Prior Mammograms via Analysis of Oriented Patterns

Published on: August 30, 2013

Area of Science:

Optics
Mechanical Engineering
Scanning Systems

Background:

Two-dimensional (2-D) scanning systems are crucial for applications like laser displays and imaging.
Distortion in scan patterns can lead to inaccuracies and reduced performance.
Understanding the optical geometry of scanning systems is essential for precise pattern generation.

Purpose of the Study:

To investigate and identify sources of distortion in 2-D scan patterns generated by a system combining a plane mirror and a regular polygon scanner.
To determine if a specific configuration of these elements can eliminate scan pattern distortion.

Main Methods:

Utilized the matrix formulation of reflection by plane mirrors to model the optical system.
Analyzed the geometric transformations introduced by the combined mirror and scanner system.
Examined various configurations of the plane mirror and regular polygon scanner.

Main Results:

The study identified a specific configuration of the plane mirror and regular polygon scanner.
This particular configuration was mathematically shown to produce a 2-D scan pattern without any distortion.
The matrix formulation provided a clear method for analyzing and predicting scan pattern fidelity.

Conclusions:

It is possible to achieve a distortion-free 2-D scan pattern using a system of a plane mirror and a regular polygon scanner.
The identified configuration offers a solution for applications requiring high-fidelity scanning.
This finding has implications for the design of precise optical scanning systems.