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

High-Performance Liquid Chromatography: Types of Detectors

High-Performance Liquid Chromatography: Types of Detectors

The role of the detectors in High-Performance Liquid Chromatography (HPLC) is to analyze the solutes as they exit from the chromatographic column. The detector recognizes the solute's property and generates corresponding electrical signals, which are converted into a readable graph of the detector's response versus elution time called a chromatogram at the computer. There are several types of HPLC detectors, each with its own advantages and limitations, depending on the analyte properties and...

Gas Chromatography: Types of Detectors-II

Gas Chromatography: Types of Detectors-II

In gas chromatography, different detectors are employed to meet specific analytical needs. These detectors are often categorized based on their detection mechanisms and the types of compounds they are best suited to analyze. Thermal Conductivity Detectors (TCD), Flame Ionization Detectors (FID), and Electron Capture Detectors (ECD) represent common categories, each with unique operating principles and applications. However, beyond these, several other detectors are designed for more specialized...

Mass Analyzers: Common Types

Mass Analyzers: Common Types

The quadrupole mass analyzer consists of four cylindrical metal rods arranged in a diamond carrying a DC voltage and a radio-frequency AC voltage. The motion of ions through the quadrupole depends on the field strength, causing only ions of a certain m/z to resonate successfully and strike the detector at a given field strength. Though the transmission rate for these analyzers is high, the exact elemental composition of the sample is not determined because of low resolution; however, they are...

Gas Chromatography: Types of Detectors-I

Gas Chromatography: Types of Detectors-I

There are different types of detectors used in gas chromatography, each with its own specific properties that make it suitable for detecting certain types of analytes. The most commonly used detectors in GC are thermal conductivity detector (TCD), flame ionization detector (FID), and electron capture detector (ECD).
TCD is the earliest and most widely used detector that operates by measuring the changes in the thermal conductivity of the carrier gas. When a sample compound enters the detector,...

Difference from Background: Limit of Detection

Difference from Background: Limit of Detection

The limit of detection (LOD) is the smallest amount of analyte that can be distinguished from the background noise. The LOD value corresponds to the concentration at which the analyte signal is three times larger than the standard deviation of the blank signal. Below this value, the analyte signal cannot be differentiated from the background noise. It is calculated by dividing the calibration slope by 3 times the standard deviation of the blank signals.
The LOD indicates the presence or absence...

Tandem Mass Spectrometry

Tandem Mass Spectrometry

Tandem mass spectrometry is a technique that uses multiple mass analyzers in series to obtain a higher selectivity and reduce chemical noise during analyte detection. Instruments with multiple analyzers separated by an interaction cell enable secondary fragmentation and selected study of the fragment ions.Secondary fragmentations occur in the interaction cell and can be induced by various factors. Fragmentation induced by collision with inert gases, such as N2, Ar, He, etc., is called...

You might also read

Related Articles

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

Sort by

Same author

Noise sources in laser radar systems.

Applied optics·2010

Same author

Optical autodyne detection: theory and experiment.

Applied optics·2010

Same author

Precise comparison of experimental and theoretical SNRs in CO(2) laser heterodyne systems: comments.

Applied optics·2010

Same author

Turbulence effects on coherent laser radar target statistics.

Applied optics·2010

Same author

Target-reflectivity theory for coherent laser radars.

Applied optics·2010

Same author

Imaging and target detection with a heterodyne-reception optical radar.

Applied optics·2010

Search research articles

Related Experiment Video

Updated: Jun 12, 2026

Frequency Mixing Magnetic Detection Scanner for Imaging Magnetic Particles in Planar Samples

Frequency Mixing Magnetic Detection Scanner for Imaging Magnetic Particles in Planar Samples

Published on: June 9, 2016

Heterodyne mixing efficiency for detector arrays.

|May 22, 2010

Summary

This summary is machine-generated.

Monostatic radar equations were developed for laser-transceiver sensors using coherent optical detection. Antenna patterns significantly impact heterodyne mixing efficiency in linear-array photodetectors.

More Related Videos

Infrared Degenerate Four-wave Mixing with Upconversion Detection for Quantitative Gas Sensing

Infrared Degenerate Four-wave Mixing with Upconversion Detection for Quantitative Gas Sensing

Published on: March 22, 2019

Simulating Imaging of Large Scale Radio Arrays on the Lunar Surface

Simulating Imaging of Large Scale Radio Arrays on the Lunar Surface

Published on: July 30, 2020

Related Experiment Videos

Last Updated: Jun 12, 2026

Frequency Mixing Magnetic Detection Scanner for Imaging Magnetic Particles in Planar Samples

Frequency Mixing Magnetic Detection Scanner for Imaging Magnetic Particles in Planar Samples

Published on: June 9, 2016

Infrared Degenerate Four-wave Mixing with Upconversion Detection for Quantitative Gas Sensing

Infrared Degenerate Four-wave Mixing with Upconversion Detection for Quantitative Gas Sensing

Published on: March 22, 2019

Simulating Imaging of Large Scale Radio Arrays on the Lunar Surface

Simulating Imaging of Large Scale Radio Arrays on the Lunar Surface

Published on: July 30, 2020

Area of Science:

Optical Engineering
Remote Sensing
Signal Processing

Background:

Monostatic radar systems utilize a single transmitter and receiver for target detection and characterization.
Coherent optical detection offers high sensitivity for signal acquisition in laser-based systems.
Linear-array photodetectors enable spatial resolution in optical detection systems.

Purpose of the Study:

To derive monostatic radar equations for laser-transceiver sensors employing coherent optical detection.
To analyze the influence of antenna patterns on the performance of linear-array photodetectors.

Main Methods:

Development of theoretical monostatic radar equations tailored for optical frequencies.
Modeling of coherent optical detection using linear-array photodetectors.
Simulation of transmitter and receiver antenna patterns and their effect on heterodyne mixing.

Main Results:

Explicit equations quantifying monostatic radar performance with coherent optical detection.
Demonstration of how transmitter and receiver antenna patterns affect heterodyne mixing efficiency across detector elements.
Identification of key parameters influencing signal-to-noise ratio and detection performance.

Conclusions:

The derived radar equations provide a framework for designing and analyzing laser-transceiver sensors.
Antenna pattern design is critical for optimizing heterodyne mixing efficiency and overall system performance.
This work contributes to the advancement of optical radar technologies for various applications.