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

Maximum Power Transfer01:16

Maximum Power Transfer

263
Numerous practical applications within engineering disciplines, such as telecommunications, necessitate optimizing power delivery to a connected load. This pursuit, however, entails inherent internal losses, which can either equal or exceed the power supplied to the load. The Thevenin equivalent circuit is helpful in finding the maximum power a linear circuit can deliver to a load. It is assumed in this context that the load resistance can be adjusted.
By substituting the entire circuit with...
263
Bandpass Sampling01:17

Bandpass Sampling

183
In signal processing, bandpass sampling is an effective technique for sampling signals that have most of their energy concentrated within a narrow frequency band. This type of signal is known as a bandpass signal. The key principle of bandpass sampling involves sampling the signal at a rate that is greater than twice the signal's bandwidth to prevent aliasing.
A bandpass signal has a spectrum with a lower frequency limit, denoted as ω1, and an upper frequency limit, denoted as ω2....
183
Cascaded Op Amps01:16

Cascaded Op Amps

639
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...
639
Frequency Response of Op Amp Circuits01:20

Frequency Response of Op Amp Circuits

336
Operational amplifiers (op-amp) are used in signal conditioning, filtering, or for performing mathematical operations such as addition, subtraction, integration, and differentiation. The frequency response of an op-amp is an important aspect that describes how the gain of the amplifier varies with frequency.
Frequency Response and Gain:
The gain of the op-amp, A(ω), is not a constant but a function of the input signal frequency. An op-amp can maintain a constant gain at low frequencies,...
336
Passive Filters01:27

Passive Filters

543
Passive filters are utilized to shape the frequency spectrum of signals across a diverse array of applications. These filters, using only passive elements like resistors (R), inductors (L), and capacitors (C), are capable of selectively allowing or blocking certain frequency ranges without the need for external power sources.
Low-Pass Filters
Low-pass filters are designed to transmit signals with frequencies lower than the cutoff frequency, ωc, and attenuate those above it. The cutoff...
543
Characteristics of Series Resonant Circuit01:24

Characteristics of Series Resonant Circuit

258
Series resonance occurs in a circuit containing inductive (L), capacitive (C), and resistive (R) elements connected sequentially. At the resonance frequency, the inductive and capacitive reactances are equal in magnitude but opposite in sign, effectively canceling each other. This causes the circuit's impedance is minimal, primarily determined by the resistance R. The resonant frequency of an RLC circuit is defined as:
258

You might also read

Related Articles

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

Sort by
Same author

Energy scaling and propagation properties of Laguerre-Gauss modes in gas-filled multipass cells.

Optics express·2026
Same author

UV electro-optic frequency comb hybrid fiber/bulk laser system for molecular wind lidar.

Optics express·2026
Same author

Low-noise generation of UV dispersive waves at 100 kHz.

Optics letters·2026
Same author

Indirectly LED-pumped Nd:glass regenerative amplifier.

Optics express·2026
Same author

Passively Q-switched Tm:YLF laser at 2.3 µm: instability analysis and stabilization.

Optics letters·2026
Same author

LED pumped alexandrite multipass amplifier designed for acousto-optic imaging.

Optics express·2025

Related Experiment Video

Updated: Jul 8, 2025

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

11.5K

Highly efficient, high average power, narrowband, pump-tunable BWOPO.

Kjell Martin Mølster, Marie Guionie, Patrick Mutter

    Optics Letters
    |December 15, 2023
    PubMed
    Summary
    This summary is machine-generated.

    We developed a tunable mid-infrared source using a Yb-based hybrid MOPA pump and a backward-wave optical parametric oscillator (BWOPO). This compact, cavity-free system offers high efficiency and power for mobile spectroscopy applications.

    More Related Videos

    Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
    09:23

    Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

    Published on: May 30, 2014

    14.6K
    Wideband Optical Detector of Ultrasound for Medical Imaging Applications
    08:21

    Wideband Optical Detector of Ultrasound for Medical Imaging Applications

    Published on: May 11, 2014

    11.3K

    Related Experiment Videos

    Last Updated: Jul 8, 2025

    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

    11.5K
    Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
    09:23

    Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

    Published on: May 30, 2014

    14.6K
    Wideband Optical Detector of Ultrasound for Medical Imaging Applications
    08:21

    Wideband Optical Detector of Ultrasound for Medical Imaging Applications

    Published on: May 11, 2014

    11.3K

    Area of Science:

    • Optics and Photonics
    • Laser Physics
    • Spectroscopy

    Background:

    • Mid-infrared (mid-IR) sources are crucial for various spectroscopic applications.
    • Developing compact, efficient, and tunable mid-IR sources remains a significant challenge.

    Purpose of the Study:

    • To demonstrate a continuously tunable mid-infrared source.
    • To achieve high efficiency and power in a robust, cavity-free system suitable for mobile platforms.

    Main Methods:

    • Utilized a tunable Ytterbium (Yb)-based hybrid master oscillator power amplifier (MOPA) as a pump source.
    • Employed a backward-wave optical parametric oscillator (BWOPO) with a periodically poled potassium titanyl phosphate (PPRKTP) crystal.
    • Achieved frequency tuning by adjusting the pump laser's wavelength.

    Main Results:

    • Generated narrowband mid-IR radiation at 1981 nm and 2145 nm.
    • Achieved a record-low oscillation threshold of 19.2 MW/cm².
    • Obtained mJ-level output with >70% overall efficiency and 5.65 W average power at 5 kHz repetition rate.
    • Demonstrated linear pump-to-signal frequency translation.

    Conclusions:

    • The developed BWOPO system offers a highly efficient and tunable mid-IR source.
    • Its mechanical robustness and cavity-free design make it ideal for portable spectroscopic instruments.
    • The system's performance characteristics open new possibilities for in-situ analysis and remote sensing.