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Related Concept Videos

Multi-input and Multi-variable systems01:22

Multi-input and Multi-variable systems

Cruise control systems in cars are designed as multi-input systems to maintain a driver's desired speed while compensating for external disturbances such as changes in terrain. The block diagram for a cruise control system typically includes two main inputs: the desired speed set by the driver and any external disturbances, such as the incline of the road. By adjusting the engine throttle, the system maintains the vehicle's speed as close to the desired value as possible.
In the absence of...
Multiple Pipe Systems01:21

Multiple Pipe Systems

Multipipe systems consist of complex configurations of interconnected pipes designed to transport fluids efficiently across intricate networks. They are essential in engineering applications requiring precise control over flow distribution, pressure, and head loss. They are categorized into series, parallel, loop, and network configurations, each distinguished by unique flow characteristics and applications.
Series Configuration
In a series configuration, fluid flows sequentially from one pipe...
Transport Number01:31

Transport Number

The transport number is the fraction of the total current carried by an ion in an electrolyte solution. It is defined as the ratio of the current carried by a specific ion to the total current flowing through the solution. The transport number, t, is central to understanding ionic mobility, which describes how fast an ion moves under the influence of an electric field. This link connects the physical behavior of ions in solution to the chemical processes that occur during electrochemical...
Motor Units01:13

Motor Units

The motor unit is a fundamental component of the neuromuscular system and plays a crucial role in coordinating muscle contractions. It consists of a somatic motor neuron, which connects and controls multiple skeletal muscle fibers, forming a single functional segment. The axon of the motor neuron branches out and establishes synaptic connections known as neuromuscular junctions with individual muscle fibers within the motor unit.
Motor units come in different sizes, with smaller units...
Motor Units00:46

Motor Units

A motor unit consists of two main components: a single efferent motor neuron (i.e., a neuron that carries impulses away from the central nervous system) and all of the muscle fibers it innervates. The motor neuron may innervate multiple muscle fibers, which are single cells, but only one motor neuron innervates a single muscle fiber.
Design Example: Automobile Ignition System01:14

Design Example: Automobile Ignition System

The automobile's ignition system plays a vital role by ensuring the timely ignition of the fuel-air mixture in each cylinder. This ignition is facilitated by a spark plug, which is composed of two electrodes separated by an air gap. A spark forms across this air gap when a substantial voltage is generated between the electrodes, leading to the ignition of the fuel.
One can generate a large voltage using a car battery of 12 volts with the help of inductors. Inductors are known for opposing rapid...

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Related Experiment Video

Updated: Jun 12, 2026

Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street
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Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street

Published on: January 20, 2023

Multipoint CARS.

A Kurtz

    Applied Optics
    |June 18, 2010
    PubMed
    Summary
    This summary is machine-generated.

    A novel coherent anti-Stokes Raman scattering (CARS) multipass cell enables simultaneous CARS signal measurements from multiple locations in a single laser pulse. This advancement improves spatial resolution in CARS microscopy and spectroscopy.

    More Related Videos

    Differential Imaging of Biological Structures with Doubly-resonant Coherent Anti-stokes Raman Scattering (CARS)
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    Differential Imaging of Biological Structures with Doubly-resonant Coherent Anti-stokes Raman Scattering (CARS)

    Published on: October 17, 2010

    Related Experiment Videos

    Last Updated: Jun 12, 2026

    Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street
    14:55

    Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street

    Published on: January 20, 2023

    Differential Imaging of Biological Structures with Doubly-resonant Coherent Anti-stokes Raman Scattering (CARS)
    12:56

    Differential Imaging of Biological Structures with Doubly-resonant Coherent Anti-stokes Raman Scattering (CARS)

    Published on: October 17, 2010

    Area of Science:

    • Spectroscopy
    • Optics
    • Physical Chemistry

    Background:

    • Coherent anti-Stokes Raman scattering (CARS) microscopy is a powerful vibrational imaging technique.
    • Conventional CARS setups often require scanning to acquire spatially resolved spectra, limiting acquisition speed.
    • Measuring CARS signals from spatially separated points simultaneously is challenging.

    Purpose of the Study:

    • To develop and demonstrate a CARS multipass cell for simultaneous multi-point measurements.
    • To enhance the efficiency and spatial coverage of CARS signal detection.
    • To enable faster CARS imaging and spectroscopic analysis.

    Main Methods:

    • Design and construction of a novel multipass cell optimized for CARS signal generation and collection.
    • Integration of the multipass cell into a CARS microscopy or spectroscopy system.
    • Experimental validation of simultaneous CARS signal detection from distinct spatial locations within a single laser shot.

    Main Results:

    • The developed CARS multipass cell successfully collected signals from spatially separated points in one laser shot.
    • Demonstrated the feasibility of simultaneous multi-point CARS measurements without compromising signal quality.
    • The system allows for efficient interrogation of sample heterogeneity.

    Conclusions:

    • The novel CARS multipass cell is a significant advancement for CARS spectroscopy and microscopy.
    • This technology enables rapid, spatially resolved vibrational analysis.
    • It opens new possibilities for studying dynamic processes and complex samples with high spatial resolution.