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Related Concept Videos

iChip01:24

iChip

The cultivation of environmental microorganisms has long been hindered by the inability to replicate complex native conditions in vitro. The isolation chip (iChip) addresses this limitation by facilitating the growth of previously uncultivable microorganisms through in situ incubation. Designed for high-throughput microbial cultivation, the iChip comprises hundreds of microchambers, each capable of housing a single microbial cell. These microchambers are loaded with a mixture of molten agar and...
DNA Microarrays02:34

DNA Microarrays

Microarrays are high-throughput and relatively inexpensive assays that can be automated to analyze large quantities of data at a time. They are used in genome-wide studies to compare gene or protein expression under two varied conditions, such as healthy and diseased states. Microarrays consist of glass or silica slides on which probe molecules are covalently attached through surface functionalization. Most commonly, the slides are prepared through the chemisorption of silanes to silica...

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Related Experiment Video

Updated: Jun 22, 2026

Microfluidic Chips Controlled with Elastomeric Microvalve Arrays
18:11

Microfluidic Chips Controlled with Elastomeric Microvalve Arrays

Published on: October 1, 2007

Red microchip VECSEL array.

Jennifer Hastie, Lynne Morton, Stephane Calvez

    Optics Express
    |June 6, 2009
    PubMed
    Summary
    This summary is machine-generated.

    This study presents a red-wavelength microchip laser for array applications. It achieves controllable, multi-beam red laser output from a single chip, demonstrating potential for advanced optical systems.

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    Last Updated: Jun 22, 2026

    Microfluidic Chips Controlled with Elastomeric Microvalve Arrays
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    Area of Science:

    • Semiconductor lasers
    • Optoelectronics
    • Photonics

    Background:

    • Vertical-external-cavity surface-emitting lasers (VECSELs) are crucial for various optical applications.
    • Developing VECSELs that operate at specific wavelengths, like red, is essential for imaging and display technologies.

    Purpose of the Study:

    • To report a novel Indium Gallium Phosphide/Aluminum Indium Gallium Phosphide/Gallium Arsenide (InGaP/AlInGaP/GaAs) microchip VECSEL.
    • To demonstrate its direct operation at red wavelengths.
    • To showcase its potential for array-format operation and dynamic control.

    Main Methods:

    • Optical pumping of the InGaP/AlInGaP/GaAs microchip VECSEL using a 532nm laser.
    • Utilizing a diffractive optical element to generate multiple pump beams for array operation.
    • Employing a spatial light modulator for dynamic control of pump beam configuration.

    Main Results:

    • Achieved direct red wavelength lasing at 675nm with a maximum output power of 330mW from a single beam (M2<2).
    • Demonstrated a 3x1 array format, producing ~95mW per beam with excellent beam quality (M2<1.2).
    • Showcased dynamic control over the VECSEL array configuration using a spatial light modulator.

    Conclusions:

    • The developed InGaP/AlInGaP/GaAs microchip VECSEL successfully operates at red wavelengths.
    • The VECSEL demonstrates significant potential for scalable, array-format operation with dynamic control.
    • This technology offers a promising platform for red laser sources in various applications.