Quantum cascade lasers (QCLs) are IR lasers that utilize tens or hundreds of quantum wells to decouple the emission wavelength from the bandgap energy.
Ultrafast Lasers – The Basic Principles of Ultrafast Coherence
Advances in laser technology have made it possible to produce pulses ranging from a few femtoseconds to tens of attoseconds. Learn more at Edmund Optics.
Understanding the most common laser sources, modes of operation, and gain media provides the context for selecting the proper laser for your specific application.
Not all optical components are tested for laser-induced damage threshold (LIDT) and testing methods differ, resulting in different types of LIDT specifications.
Large Aspheres: Enabling High-Power Optical Systems
Large diameter aspheric lenses enable high-power optical systems, but several key considerations must be taken into account during their fabrication process.
The short pulse durations of ultrafast lasers lead to broad wavelength bandwidths, making ultrafast systems especially susceptible to dispersion and pulse broadening.
Laser induced damage threshold (LIDT) of optics is a statistical value influenced by defect density, the testing method, and fluctuations in the laser.
Converting a Gaussian laser beam profile into a flat top beam profile can have numerous benefits including minimized wasted energy and increased feature accuracy.
Laser Polarization: The Importance of Polarization in Laser Applications
Understanding the polarization of laser light is critical for many applications, as polarization impacts reflectance, focusing the beam, and other key behaviors.
Testing laser induced damage threshold (LIDT) is not standardized, so understanding how your optics were tested is critical for predicting performance.
Do you want to know more about the importance of optical specifications? Learn the different types of specifications and their impact on your system at Edmund Optics.
Power density, energy density, fluence, and irradiance are often incorrectly used in laser optics applications. Learn the correct definitions and usage.
Surface roughness describes how a shape deviates from its ideal form. This is critical for controlling light scatter in laser devices and other optical systems.
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