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 Experiment Videos

Optical gain by a simple photoisomerization process.

Francisco Gallego-Gómez1, Francisco del Monte, Klaus Meerholz

  • 1Chemistry Department, University of Cologne, Luxemburgerstrasse 116, 50939 Cologne, Germany.

Nature Materials
|May 6, 2008
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Lessons From Deep Eutectic Solvents to Design High Entropy Electrolytes for Electrochemical Energy Storage.

ChemSusChem·2026
Same author

Excess Properties of Aqueous Dilutions of Ammonium- and Phosphonium-Based Deep Eutectic Solvents.

Journal of chemical and engineering data·2026
Same author

Odd-Even Cation Engineering of the Excitation Transport Anisotropy in Two-Dimensional Perovskite Films.

ACS nano·2026
Same author

High-power pulsed electrochemiluminescence for optogenetic manipulation of Drosophila larval behaviour.

Light, science & applications·2026
Same author

Phytic Acid-Based Deep Eutectic Solvents for Metal Extraction from Lithium Cobalt Oxide and Nickel Manganese Cobalt and the Use of the Resulting Leachates as Electrolytes for 2.0 V Supercapacitors.

ChemSusChem·2025
Same author

Dynamics of disorder in mixed ionic-electronic transport in cross-linked non-conjugated redox polymers.

Materials horizons·2025
Same journal

Intranasal DNA nanocarrier vaccines with surface-patterned antigens enhance efficacy against respiratory syncytial virus.

Nature materials·2026
Same journal

An artificial neuromorphic interface for auditory restoration.

Nature materials·2026
Same journal

Seamless biointerfaces in devices.

Nature materials·2026
Same journal

Shaping the future of quantum technology.

Nature materials·2026
Same journal

Quantum tunnelling and leakage current across two-dimensional materials.

Nature materials·2026
Same journal

High-precision memristor-based computing.

Nature materials·2026
See all related articles

Organic holographic materials can now achieve non-local holographic recording without photorefractive properties. This breakthrough in azo-based materials offers high optical gain and sensitivity for advanced data storage and image processing applications.

Area of Science:

  • Materials Science
  • Optics
  • Data Storage

Background:

  • Organic holographic materials are explored for cost-effective data storage.
  • Non-local holographic response, leading to optical gain, is typically observed only in photorefractive media.
  • This gain is crucial for measuring writing efficiency in holographic data storage.

Purpose of the Study:

  • To demonstrate non-local holographic recording in a non-photorefractive organic material.
  • To investigate the characteristics and potential applications of such recordings.
  • To explore methods for controlling optical gain in these materials.

Main Methods:

  • Recording reversible photoisomerization gratings in a non-photorefractive azo-based material.
  • Analyzing grating characteristics and optical gain coefficients.

Related Experiment Videos

  • Modeling the influence of the Poynting vector on photoisomerization.
  • Investigating 'gain steering' by external control of the Poynting vector.

    • Main Results:

    • Demonstrated non-local holographic recording in a non-photorefractive azo-based material.
    • Achieved large optical gain coefficients exceeding 1,000 cm(-1), even for polarization gratings.
    • Observed novel 'gain steering' phenomenon, allowing manipulation of gain sign and direction of energy exchange.
    • Attained high sensitivity of approximately 100 cm(2) J(-1).

    Conclusions:

    • Non-photorefractive organic materials can exhibit non-local holographic recording.
    • The Poynting vector plays a key role in photoisomerization gratings, enabling gain steering.
    • High sensitivity and spatial resolution make these materials promising for image processing and phase conjugation applications.