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

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...

Polar Coordinates: Problem Solving

Polar Coordinates: Problem Solving

Directional radiation patterns are central to antenna analysis, as they illustrate how signal strength varies with direction. These patterns are often modeled using polar plots, where the radial distance from the origin represents signal intensity at a given angle. A commonly used idealized form is the four-lobed rose curve, which captures the concept of directional beams in a simplified mathematical form.The four-lobed rose curve, described by r = cos⁡(2θ), features four symmetric lobes, each...

Centroid for the Paraboloid of Revolution

Centroid for the Paraboloid of Revolution

The paraboloid of revolution is an axially symmetric surface generated by rotating a parabola around its axis. This shape has several applications in mechanical engineering due to its advantageous structural properties, such as strength against stress concentration points and rotational symmetry.
The centroid for the paraboloid of revolution is the point where all the mass of the paraboloid is concentrated. This centroid is important for engineering applications, as it determines how forces are...

Surface Area Calculations

Surface Area Calculations

Surface area calculations for a graph z = f(x, y) are fundamental in engineering applications involving curved structures such as satellite dishes. A parabolic dish reflects communication signals efficiently, but engineers must determine its exact curved surface area to estimate coating materials, fabrication costs, and structural requirements. Since the rim of the dish forms a circular boundary, the surface area is calculated over a circular domain in the xy-plane.Parametric Representation of...

You might also read

Related Articles

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

Sort by

Same author

The <sup>40</sup>Ar(d,p)<sup>41</sup>Ar cross section between 3-7 MeV.

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine·2022

Same author

Characterization of photodetector temporal response for neutron time-of-flight (nToF) diagnostics at the National Ignition Facility.

The Review of scientific instruments·2018

Same author

Gonadotropin-releasing hormone immunization for the treatment of urethral sphincter mechanism incompetence in ovariectomized bitches.

Theriogenology·2013

Same author

Dielectric polarization, anisotropy and nonradiative energy transfer into nanometre-scale thin semiconducting films.

Journal of physics. Condensed matter : an Institute of Physics journal·2013

Same author

Optical designs for ultrahigh-flux infrared and solar energy collection: monolithic dielectric tailored edge-ray concentrators.

Applied optics·2010

Same author

Complementary construction of ideal nonimaging concentrators and its applications.

Applied optics·2010

Search research articles

Related Experiment Video

Updated: Jun 9, 2026

Fabrication of High Contrast Gratings for the Spectrum Splitting Dispersive Element in a Concentrated Photovoltaic System

Fabrication of High Contrast Gratings for the Spectrum Splitting Dispersive Element in a Concentrated Photovoltaic System

Published on: July 18, 2015

Nonimaging compound parabolic concentrator-type reflectors with variable extreme direction.

J M Gordon, A Rabl

|August 31, 2010

Summary

This study explores nonimaging compound parabolic concentrators (CPCs) with variable reflector properties. Researchers found these modified CPCs maintain maximal concentration while allowing flux map control for optical or lighting applications.

More Related Videos

Indoor Experimental Assessment of the Efficiency and Irradiance Spot of the Achromatic Doublet on Glass (ADG) Fresnel Lens for Concentrating Photovoltaics

Indoor Experimental Assessment of the Efficiency and Irradiance Spot of the Achromatic Doublet on Glass (ADG) Fresnel Lens for Concentrating Photovoltaics

Published on: October 27, 2017

High-speed Continuous-wave Stimulated Brillouin Scattering Spectrometer for Material Analysis

High-speed Continuous-wave Stimulated Brillouin Scattering Spectrometer for Material Analysis

Published on: September 22, 2017

Related Experiment Videos

Last Updated: Jun 9, 2026

Fabrication of High Contrast Gratings for the Spectrum Splitting Dispersive Element in a Concentrated Photovoltaic System

Fabrication of High Contrast Gratings for the Spectrum Splitting Dispersive Element in a Concentrated Photovoltaic System

Published on: July 18, 2015

Indoor Experimental Assessment of the Efficiency and Irradiance Spot of the Achromatic Doublet on Glass (ADG) Fresnel Lens for Concentrating Photovoltaics

Indoor Experimental Assessment of the Efficiency and Irradiance Spot of the Achromatic Doublet on Glass (ADG) Fresnel Lens for Concentrating Photovoltaics

Published on: October 27, 2017

High-speed Continuous-wave Stimulated Brillouin Scattering Spectrometer for Material Analysis

High-speed Continuous-wave Stimulated Brillouin Scattering Spectrometer for Material Analysis

Published on: September 22, 2017

Area of Science:

Optics
Optical Engineering
Nonimaging Optics

Background:

Compound parabolic concentrators (CPCs) are widely used nonimaging optical devices.
Traditional CPCs have a constant extreme direction, limiting flux map control.
Variations in CPC design can potentially enhance their functionality for specific applications.

Purpose of the Study:

To investigate the properties of nonimaging CPC-type devices with a variable extreme direction.
To explore how modifying the reflector's extreme direction impacts concentration and flux distribution.
To derive general classes of reflectors for these modified CPCs and relate them to existing designs.

Main Methods:

Theoretical analysis of nonimaging CPCs with a variable extreme direction.
Derivation of two general classes of reflectors based on modified CPC properties.
Comparison of derived solutions with existing nonimaging optical devices.

Main Results:

Demonstrated that variable extreme direction in CPCs allows flux map modification while retaining maximal concentration or radiative efficiency.
Derived two general classes of reflectors, encompassing all previously developed nonimaging devices as special cases.
Established a connection between these new reflector classes and the converging/diverging concepts in traditional imaging optics.

Conclusions:

Modified nonimaging CPCs offer enhanced control over flux distribution for optical concentration and lighting.
The derived general reflector classes provide a unified framework for understanding and developing nonimaging optical devices.
This work expands the design space for nonimaging optics, offering new possibilities for efficiency and tailored performance.