Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Sum and Difference OpAmps01:22

Sum and Difference OpAmps

Operational amplifiers (op-amps) are versatile devices that extend beyond amplification. In this context, two specific op-amp configurations are explored: the summing and difference amplifiers.
A summing amplifier, or an adder, utilizes an op-amp to merge multiple input signals into a single output signal. When audio signals are introduced into its input channels, the input resistors initiate currents that traverse feedback resistors, resulting in an output voltage. Applying Kirchhoff's current...
Cascaded Op Amps01:16

Cascaded Op Amps

Operational amplifiers (op-amps) are versatile electronic components that can be interconnected in a cascade - one after another in a linear sequence. This cascading is possible due to their infinite input resistance and zero output resistance, allowing them to maintain their input-output relationships even when connected in series.
In a cascaded system, each op-amp is referred to as a stage. The output of one stage drives the input of the subsequent stage. As the input signal passes through...
Instrumentation Amplifier01:25

Instrumentation Amplifier

An electrocardiography (ECG) machine is an essential piece of medical equipment used to monitor the electrical activity of the heart. It operates by detecting small electrical changes on the skin that result from the depolarization of the heart muscle during each heartbeat. However, these signals are in the microvolt range and can be easily overwhelmed by noise or interference.
To overcome this challenge, an ECG machine utilizes an instrumentation amplifier. This specialized amplifier is...
MOSFET Amplifiers01:17

MOSFET Amplifiers

The MOSFET, when operating in its active region, functions as a voltage-controlled current source. In this region, the gate-to-source voltage controls the drain current. This principle underlies the operation of the transconductance MOSFET amplifier. The output current is directed through a load resistor to convert this amplifier into a voltage amplifier. The output voltage is then obtained by subtracting the voltage drop across the load resistance from the supply voltage. This process results...
BJT Amplifiers01:14

BJT Amplifiers

Bipolar Junction Transistors (BJTs) are pivotal components in amplifier circuits, functioning as voltage-controlled current sources in their active region. This characteristic allows them to efficiently control the collector current through variations in the base-emitter voltage. Essentially, BJTs amplify power due to their ability to take a weak input signal and output a much stronger signal.
In BJT amplifier configurations, particularly in common-emitter setups, the transistor's role extends...
Second-order Op Amp Circuits01:19

Second-order Op Amp Circuits

Implementing second-order low-pass filters in audio systems is crucial in refining audio signals by eliminating undesirable high-frequency noise. These filters typically involve second-order op-amp circuits configured as voltage followers, encompassing two nodes with distinct storage elements.
The analysis of such circuits follows a systematic approach, similar to the second-order RLC circuits. In practical scenarios, bulky inductors are rarely employed due to their size and weight. This means...

You might also read

Related Articles

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

Sort by
Same author

Laser-machined, kilowatt-class cladding light strippers with stripping efficiencies > 37 dB.

Optics express·2026
Same author

Up-chirped nonlinear thulium fiber amplifier delivering sub-100 fs high-energetic pulses.

Optics letters·2026
Same author

Experimental and numerical analysis of thermal lensing effects in Nd:YVO<sub>4</sub>.

Optics express·2026
Same author

Strip-loaded waveguides on thin-film lithium niobate realized via multi-photon lithography.

Optics express·2025
Same author

Gain dynamics in thulium-doped fiber amplifiers.

Optics express·2025
Same author

Diagnostic value of preoperative joint aspiration for periprosthetic shoulder infection: analysis of microbiological aspects and preoperative ICM minor criteria.

Archives of orthopaedic and trauma surgery·2025
Same journal

Denoising algorithm of Φ-OTDR systems based on adaptive fractional wavelet transform denoising.

Optics express·2026
Same journal

Millisecond photon-to-photon latency and high-speed volumetric projection system for optogenetics.

Optics express·2026
Same journal

Polarization-encoded coaxial structured light for high-precision 3D surface profilometry.

Optics express·2026
Same journal

Discrete freeform optical design based on collaborative optimization of point cloud and local normals.

Optics express·2026
Same journal

Ultrafast ghost imaging with 25 GHz speckle switching and wavelength-division multiplexing.

Optics express·2026
Same journal

Atomic vapor cells fabricated by femtosecond laser welding of standard-optical-quality glass.

Optics express·2026
See all related articles

Related Experiment Video

Updated: Jun 12, 2026

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
10:17

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

Published on: July 12, 2017

Spherical aberration compensation in Nd:YVO4 amplifiers.

Merle Schneewind, Stefan Spiekermann, Peter Wessels

    Optics Express
    |June 11, 2026
    PubMed
    Summary
    This summary is machine-generated.

    Thermally induced spherical aberration in Nd:YVO4 laser amplifiers was effectively compensated using a custom optical plate. This study validates a probe beam method for diagnosing thermal lensing and confirms the plate

    More Related Videos

    Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
    11:08

    Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

    Published on: November 30, 2012

    Multiplex Chemical Imaging Based on Broadband Stimulated Raman Scattering Microscopy
    09:57

    Multiplex Chemical Imaging Based on Broadband Stimulated Raman Scattering Microscopy

    Published on: July 25, 2022

    Related Experiment Videos

    Last Updated: Jun 12, 2026

    20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
    10:17

    20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

    Published on: July 12, 2017

    Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
    11:08

    Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

    Published on: November 30, 2012

    Multiplex Chemical Imaging Based on Broadband Stimulated Raman Scattering Microscopy
    09:57

    Multiplex Chemical Imaging Based on Broadband Stimulated Raman Scattering Microscopy

    Published on: July 25, 2022

    Area of Science:

    • Laser Physics
    • Optical Engineering
    • Materials Science

    Background:

    • Thermal lensing is a significant aberration in high-power laser amplifiers.
    • Nd:YVO4 lasers are widely used but susceptible to thermal effects.
    • Spherical aberration degrades beam quality and limits amplifier performance.

    Purpose of the Study:

    • To compensate for thermally induced spherical aberration in an Nd:YVO4 laser amplifier.
    • To validate a probe beam method for diagnosing thermal lensing.
    • To demonstrate the effectiveness of a custom-designed optical plate for aberration correction.

    Main Methods:

    • Utilized an 878.6 nm pumped Nd:YVO4 laser amplifier.
    • Designed a custom optical plate based on Zernike polynomials for spherical aberration.
    • Employed a Shack-Hartmann wavefront sensor.
    • Measured wavefronts of both a 976 nm probe beam and the 1064 nm signal beam.

    Main Results:

    • Observed identical wavefront distortions in both the probe and signal beams.
    • Confirmed that spherical aberration originates solely from thermal lensing.
    • Demonstrated effective compensation of spherical aberration using the custom optical plate.
    • Validated the 976 nm probe beam as a reliable diagnostic tool.

    Conclusions:

    • The custom optical plate effectively compensates for thermal lensing-induced spherical aberration.
    • A probe beam is a reliable method for diagnosing aberrations in laser amplifiers.
    • Wavefront quality can be restored using specifically designed compensation optics.