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

Design of Prismatic Beams for Bending

Design of Prismatic Beams for Bending

The design of prismatic beams, structural elements with a uniform cross-section, focuses on ensuring safety and structural integrity under load. The design process begins by determining the allowable stress, either from material properties tables, or by dividing the material's ultimate strength by a safety factor. This safety factor is essential for accommodating uncertainties, and varies depending on the material—timber, steel, or concrete—with each having unique strength and stress...

You might also read

Related Articles

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

Sort by

Same author

Acute retinal necrosis in a neonate with HSV II encephalitis.

Pediatrics and neonatology·2018

Same author

[Clinical application of STR genotyping diagnosis for hydatidiform mole and nonmolar gestation].

Zhonghua bing li xue za zhi = Chinese journal of pathology·2018

Same author

The prevalence of sufficient physical activity among primary and high school students in Mainland China: a systematic review and meta-analysis.

Public health·2018

Same author

miR-135a inhibits glioma cell proliferation and invasion by directly targeting FOXO1.

European review for medical and pharmacological sciences·2018

Same author

[A case of subacute combined degeneration in duced by nitrous oxide].

Zhonghua nei ke za zhi·2018

Same author

[Research advances in the mammalian target of rapamycin signaling pathway and its inhibitors in treatment of hepatocellular carcinoma].

Zhonghua gan zang bing za zhi = Zhonghua ganzangbing zazhi = Chinese journal of hepatology·2018

Search research articles

Related Experiment Video

Updated: Jun 7, 2026

Microfabrication of Implantable Optics Integrated in a Microstructured Imaging Window for Advanced In Vivo Imaging

Microfabrication of Implantable Optics Integrated in a Microstructured Imaging Window for Advanced In Vivo Imaging

Published on: April 11, 2025

Design considerations of form birefringent microstructures.

I Richter, P C Sun, F Xu

|November 6, 2010

Summary

This summary is machine-generated.

High-spatial-frequency gratings are analyzed for polarization-selective holograms. Rigorous coupled-wave analysis is essential for accurately modeling phase differences due to form birefringence, unlike effective-medium theory.

More Related Videos

Fabrication Procedures and Birefringence Measurements for Designing Magnetically Responsive Lanthanide Ion Chelating Phospholipid Assemblies

Fabrication Procedures and Birefringence Measurements for Designing Magnetically Responsive Lanthanide Ion Chelating Phospholipid Assemblies

Published on: January 3, 2018

Using Microwave and Macroscopic Samples of Dielectric Solids to Study the Photonic Properties of Disordered Photonic Bandgap Materials

Using Microwave and Macroscopic Samples of Dielectric Solids to Study the Photonic Properties of Disordered Photonic Bandgap Materials

Published on: September 26, 2014

Related Experiment Videos

Last Updated: Jun 7, 2026

Microfabrication of Implantable Optics Integrated in a Microstructured Imaging Window for Advanced In Vivo Imaging

Microfabrication of Implantable Optics Integrated in a Microstructured Imaging Window for Advanced In Vivo Imaging

Published on: April 11, 2025

Fabrication Procedures and Birefringence Measurements for Designing Magnetically Responsive Lanthanide Ion Chelating Phospholipid Assemblies

Fabrication Procedures and Birefringence Measurements for Designing Magnetically Responsive Lanthanide Ion Chelating Phospholipid Assemblies

Published on: January 3, 2018

Using Microwave and Macroscopic Samples of Dielectric Solids to Study the Photonic Properties of Disordered Photonic Bandgap Materials

Using Microwave and Macroscopic Samples of Dielectric Solids to Study the Photonic Properties of Disordered Photonic Bandgap Materials

Published on: September 26, 2014

Area of Science:

Optics and Photonics
Holography
Nanophotonics

Background:

High-spatial-frequency (HSF) gratings are crucial components in advanced optical systems.
Polarization-selective computer-generated holograms require precise control over diffraction characteristics.

Purpose of the Study:

To evaluate the diffraction characteristics of HSF gratings for polarization-selective holograms.
To compare the effectiveness of second-order effective-medium theory (EMT) and rigorous coupled-wave analysis (RCWA) for modeling these gratings.

Main Methods:

Utilized second-order effective-medium theory (EMT) and rigorous coupled-wave analysis (RCWA).
Investigated TE- and TM-polarized wave reflectivities and phase differences.
Analyzed grating profiles for form birefringence and reflectivity trade-offs.

Main Results:

Second-order EMT accurately models reflection characteristics of HSF gratings.
RCWA is necessary to accurately model phase differences arising from form birefringence.
A specific grating profile was optimized for a balance between form birefringence and reflectivity.

Conclusions:

RCWA is the preferred method for designing HSF gratings for polarization-selective holograms due to its accuracy in phase difference prediction.
Understanding form birefringence and reflectivity is key for optimizing HSF grating performance.
The study provides a design example for achieving desired optical properties.