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Related Experiment Video

Updated: Jul 23, 2026

Characterizing Far-infrared Laser Emissions and the Measurement of Their Frequencies

Characterizing Far-infrared Laser Emissions and the Measurement of Their Frequencies

Published on: December 18, 2015

[Characteristics of laser light].

S Takac¹, S Stojanović

¹Zavod za sudsku medicinu, Medicinski fakultet, Novi Sad.

Medicinski Pregled

|June 3, 1999

Summary

Lasers, or Light Amplification by Stimulated Emission of Radiation, are a 20th-century discovery crucial for scientific diagnosis and therapy. Unlike X-rays, lasers are not expected to cause iatrogenic malignancies.

Area of Science:

Physics
Optics
Biomedical Engineering

Context:

Lasers represent a significant 20th-century technological advancement.
Their applications span basic sciences, with particular importance in medical diagnosis and therapy.
Understanding laser principles is essential for appreciating their diverse functionalities.

Purpose:

To provide a comprehensive overview of laser technology.
To explain the fundamental physics behind laser operation, including stimulated emission and population inversion.
To introduce the different types of laser materials and their characteristics.

Summary:

Lasers, based on the principle of Light Amplification by Stimulated Emission of Radiation, utilize stimulated emission to produce coherent, monochromatic, and collimated light.

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Last Updated: Jul 23, 2026

Characterizing Far-infrared Laser Emissions and the Measurement of Their Frequencies

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Published on: December 18, 2015

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Published on: April 25, 2019

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

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Key concepts include population inversion and pumping systems, with four common types of lasing materials: solid-state, gas, dye, and semiconductor.

Properties like monochromacity, coherence, and collimation define laser light, distinguishing it from other forms of electromagnetic radiation.

Impact:

Lasers have revolutionized diagnostic and therapeutic capabilities in medicine.
Their unique properties offer precise applications in various scientific fields.
As electromagnetic radiation within the visible spectrum, lasers are not associated with the risks of iatrogenic malignancies seen with X-irradiation.