Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Photoreceptors and Visual Pathways01:22

Photoreceptors and Visual Pathways

5.7K
At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category,...
5.7K
Color Vision01:24

Color Vision

534
Color perception begins in the retina, the light-sensitive layer at the back of the eye. Two main theories explain how colors are seen: the trichromatic theory and the opponent-process theory. The trichromatic theory, proposed by Thomas Young in 1802 and extended by Hermann von Helmholtz in 1852, suggests that color vision is based on three types of cone receptors in the retina. These cones are sensitive to different but overlapping ranges of wavelengths corresponding to red, blue, and green.
534
Photoluminescence: Fluorescence and Phosphorescence01:23

Photoluminescence: Fluorescence and Phosphorescence

1.6K
Photoluminescence is a process where a molecule absorbs light energy and re-emits it in the form of light. This phenomenon occurs when a substance absorbs photons, promoting its electrons to higher energy level excited states, followed by a relaxation process in which the electrons return to their original ground state energy levels and emit light. Photoluminescence is widely observed in various materials, including semiconductors, and organic and inorganic compounds.
A pair of electrons in a...
1.6K
Photoluminescence: Applications01:14

Photoluminescence: Applications

380
Photoluminescence offers a wide range of applications due to its inherent sensitivity and selectivity. This technique allows for both direct and indirect analyses of the analyte. Direct quantitative analysis is possible when the analyte exhibits a favorable quantum yield for fluorescence or phosphorescence. However, an indirect analysis may be feasible if the analyte is not fluorescent or phosphorescent, or if the quantum yield is unfavorable. Indirect methods include reacting the analyte with...
380
Fluorescence and Phosphorescence: Instrumentation01:25

Fluorescence and Phosphorescence: Instrumentation

549
Fluorometers and spectrofluorometers are two types of instruments used for measuring molecular fluorescence. These instruments differ in how they select excitation and emission wavelengths and the type of light sources they utilize. Fluorometers use absorption interference filters to choose excitation and emission wavelengths. The excitation source in a fluorometer is typically a low-pressure mercury vapor lamp that emits intense lines distributed throughout the ultraviolet and visible regions.
549
Variables Affecting Phosphorescence and Fluorescence01:26

Variables Affecting Phosphorescence and Fluorescence

491
Fluorescence and phosphorescence are essential phenomena in fields like analytical chemistry, biological imaging, and materials science, where they detect molecular properties and visualize cellular structures. Understanding the variables that influence these luminescent behaviors is crucial for maximizing accuracy and efficiency in their applications. These variables can broadly be grouped into chemical structure, solvent properties, and external conditions, each playing a distinct role in...
491

You might also read

Related Articles

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

Sort by
Same author

Mydriasis Stability During Cataract Surgery in Patients with Systemic Comorbidities Using a Standardised Combination of Intracameral Mydriatics and Anaesthetic.

Life (Basel, Switzerland)·2025
Same author

The role of visual conditions and aircraft type on different aspects of pilot workload.

Applied ergonomics·2024
Same author

An Attentive Blank Stare Under Simulator-induced Spatial Disorientation Events.

Human factors·2022
Same author

Influence of night vision goggles with white and green phosphor screens on selected parameters of the eye and fatigue.

Ergonomics·2021
Same author

How do older drivers perceive visual information under increasing cognitive load? Significance of personality on-road safety.

Accident; analysis and prevention·2021
Same author

A survey of spatial disorientation incidence in Polish military pilots.

International journal of occupational medicine and environmental health·2020

Related Experiment Video

Updated: Jun 10, 2025

Enabling High Grayscale Resolution Displays and Accurate Response Time Measurements on Conventional Computers
06:50

Enabling High Grayscale Resolution Displays and Accurate Response Time Measurements on Conventional Computers

Published on: February 29, 2012

9.4K

Phosphor Screens Color Preferences Depending on Night Vision Experience and Luminance Level.

Rafał Lewkowicz, Joanna Dereń-Szumełda

    Aerospace Medicine and Human Performance
    |October 21, 2024
    PubMed
    Summary

    Pilot experience with night vision goggles (NVGs) significantly influences screen color preference. While both green and white phosphor screens offer good visibility, prior NVG use favors green displays.

    Keywords:
    aviationflight experiencenight visionnight vision gogglespilots

    More Related Videos

    Visualizing Visual Adaptation
    04:43

    Visualizing Visual Adaptation

    Published on: April 24, 2017

    8.9K
    Light Preference Assay to Study Innate and Circadian Regulated Photobehavior in Drosophila Larvae
    07:14

    Light Preference Assay to Study Innate and Circadian Regulated Photobehavior in Drosophila Larvae

    Published on: April 20, 2013

    12.9K

    Related Experiment Videos

    Last Updated: Jun 10, 2025

    Enabling High Grayscale Resolution Displays and Accurate Response Time Measurements on Conventional Computers
    06:50

    Enabling High Grayscale Resolution Displays and Accurate Response Time Measurements on Conventional Computers

    Published on: February 29, 2012

    9.4K
    Visualizing Visual Adaptation
    04:43

    Visualizing Visual Adaptation

    Published on: April 24, 2017

    8.9K
    Light Preference Assay to Study Innate and Circadian Regulated Photobehavior in Drosophila Larvae
    07:14

    Light Preference Assay to Study Innate and Circadian Regulated Photobehavior in Drosophila Larvae

    Published on: April 20, 2013

    12.9K

    Area of Science:

    • Aviation human factors
    • Visual performance enhancement
    • Night vision technology

    Background:

    • Image quality is crucial for visual performance with night vision goggles (NVGs).
    • Green phosphor (P43) NVGs are standard in military aviation, but white phosphor (P45) displays are also well-received by pilots.
    • The study investigates how prior NVG experience and luminance levels affect phosphor screen color preference.

    Purpose of the Study:

    • To determine if experience with green-screen NVGs influences preference for that color.
    • To assess the relationship between NVG screen color preference and ambient luminance levels.
    • To compare aviator preference between green (P43) and white (P45) phosphor NVG screens.

    Main Methods:

    • 127 military pilots (37.2 years average age) participated, including 62 with NVG flight experience.
    • Participants observed a model terrain board under two luminance conditions (starlight and half-moonlight).
    • Pilots used both green (P43) and white (P45) phosphor NVGs and completed a preference questionnaire.

    Main Results:

    • A significant difference in screen color preference was found based on pilots' prior NVG experience (43.5% preferred green vs. 23.1% preferred white).
    • No correlation was observed between screen color preference and the tested luminance levels.
    • Both green and white phosphor screens were found to provide satisfactory visibility.

    Conclusions:

    • Previous experience with night vision goggles appears to be a key factor in users' phosphor screen color preferences.
    • While both green and white phosphor screens are effective, individual experimentation is recommended for optimal selection.
    • User preference and specific operational needs should guide the choice between green and white NVG phosphor screens.