Multiscale dynamical symmetries and selection rules in nonlinear optics
Symmetries and their associated selection rules are extremely useful in many fields of science For systems of electromagnetic (EM) fields interacting with matter, the symmetries of matter and the EM fields’ time-dependent polarization determine the pro
Ultrasmall Silicon LED Enables High-Resolution Integrated Imaging
Researchers at the Singapore-MIT Alliance for Research and Technology (SMART) developed a CMOS-based silicon LED that, though smaller than a wavelength, emits light at an intensity comparable to much larger silicon LEDs In a separate study, the researche
Cascaded, multi-harmonic generation yields all-solid-state deep-UV emission III
Our single-mode DUV setup is based on an injection-locked, Q-switched 1342 nm Nd:YVO4 ring laser with an average power of 13 9 W and 18 2 ns pulse duration at a pulse repetition frequency of 10 kHz 3 The pulse energy fluctuations are very low (
Cascaded, multi-harmonic generation yields all-solid-state deep-UV emission II
An all-solid-state, deep-UV light source alternative to excimer lasers is achieved through cascaded high-harmonic and sum-frequency generation of neodymium yttrium vanadate lasers—with the added bonus of high beam quality and stability
An all-solid-state, deep-UV light source alternative to excimer lasers is achieved through cascaded high-harmonic and sum-frequency generation of neodymium yttrium vanadate lasers—with the added bonus of high beam quality and stability
Innovation to Turn Standard Diode Laser into Single-Frequency Lasers
Russian physicists have developed a technique for significantly narrowing the emission spectrum of a standard diode laser The research was published on October 26th in Nature Photonics and was co-authored by researchers from the Russian Quantum Center
Nonlinear crystal does supernarrow-linewidth frequency convers
Many applications in optical communications and scientific research require very narrow spectral linewidths What limits the width of a frequency converter? The spectral width of a nonlinear converter is usually thought to be inversely proportional to the
Third harmonic generation may be described as a process in which the frequency of a light source is tripled when it passes through a non-linear medium Third harmonic generation is a non-linear process of the third order, which generates a photon having t
Electrically tunable third-order nonlinear optical response in graphene
The birth of nonlinear optics is credited to an experiment conducted in 1961 by Peter Franken and co-workers with a pulsed ruby laser, in which they observed the nonlinear effect of second-harmonic generation (SHG, frequency doubling) for the first time
Compact Deep UV System at 222.5 nm Based on Frequency Doubling of GaN Laser Diod
Abstract:
Laser light sources emitting in the deep ultraviolet wavelength range between 210 and 230 nm are of great interest for spectroscopic applications Here, a compact DUV diode laser system emitting at a
Plasmonic Microcantilever with Remarkably Enhanced Photothermal Responses
Plasmonic nanostructures exhibit abundant optoelectronic properties We explore here the technological potentials of plasmonic nanostructures as active component to
Multiscale dynamical symmetries and selection rules in nonlinear optics
Symmetries and their associated selection rules are extremely useful in many fields of science For systems of electromagnetic (EM) fields interacting with matter, the symmetries of matter and the EM fields’ time-dependent polarization determine the pro
Ultrasmall Silicon LED Enables High-Resolution Integrated Imaging
Researchers at the Singapore-MIT Alliance for Research and Technology (SMART) developed a CMOS-based silicon LED that, though smaller than a wavelength, emits light at an intensity comparable to much larger silicon LEDs In a separate study, the researche
New Solar-Pumped Lasers Enhance Solar-to-Laser Conversion Efficiency
Nd:YAG laser rod, BBO crystal, KTP crystal, KDP pockels cell, BBO Q switch,neodymium yag,yag laser crystal,laser nd:yag crystal
Cascaded, multi-harmonic generation yields all-solid-state deep-UV emission III
Our single-mode DUV setup is based on an injection-locked, Q-switched 1342 nm Nd:YVO4 ring laser with an average power of 13 9 W and 18 2 ns pulse duration at a pulse repetition frequency of 10 kHz 3 The pulse energy fluctuations are very low (
Cascaded, multi-harmonic generation yields all-solid-state deep-UV emission II
An all-solid-state, deep-UV light source alternative to excimer lasers is achieved through cascaded high-harmonic and sum-frequency generation of neodymium yttrium vanadate lasers—with the added bonus of high beam quality and stability
Cascaded, multi-harmonic generation yields all-solid-state deep-UV emission
An all-solid-state, deep-UV light source alternative to excimer lasers is achieved through cascaded high-harmonic and sum-frequency generation of neodymium yttrium vanadate lasers—with the added bonus of high beam quality and stability
Innovation to Turn Standard Diode Laser into Single-Frequency Lasers
Russian physicists have developed a technique for significantly narrowing the emission spectrum of a standard diode laser The research was published on October 26th in Nature Photonics and was co-authored by researchers from the Russian Quantum Center
Nonlinear crystal does supernarrow-linewidth frequency convers
Many applications in optical communications and scientific research require very narrow spectral linewidths What limits the width of a frequency converter? The spectral width of a nonlinear converter is usually thought to be inversely proportional to the
Frequency Tripling / Third Harmonic Generation
Third harmonic generation may be described as a process in which the frequency of a light source is tripled when it passes through a non-linear medium Third harmonic generation is a non-linear process of the third order, which generates a photon having t
Electrically tunable third-order nonlinear optical response in graphene
The birth of nonlinear optics is credited to an experiment conducted in 1961 by Peter Franken and co-workers with a pulsed ruby laser, in which they observed the nonlinear effect of second-harmonic generation (SHG, frequency doubling) for the first time
Innovations Make Ultrafast Lasers Even Faster
Recent developments in Pockels cells and Faraday isolators are paving the way to increased power and higher repetition rates
Compact Deep UV System at 222.5 nm Based on Frequency Doubling of GaN Laser Diod
Abstract: Laser light sources emitting in the deep ultraviolet wavelength range between 210 and 230 nm are of great interest for spectroscopic applications Here, a compact DUV diode laser system emitting at a
Generation of high-energy narrowband 2.05 μm pulses for seeding a Ho:YLF
We experimentally demonstrate efficient generation of high-energy (82 μJ) narrowband 2 05 μm pulses pumped with 1 mJ broadband Ti:sapphire laser pulses, utilizing dual-chirped optical parametric amplification (DC-OPA) in a BBO crystal The narrowband
Plasmonic Microcantilever with Remarkably Enhanced Photothermal Responses
Plasmonic nanostructures exhibit abundant optoelectronic properties We explore here the technological potentials of plasmonic nanostructures as active component to
Improving the Quality of GaN Crystals by Using Graphene or Hexagonal Boron Nitri
Improving the Quality of GaN Crystals by Using Graphene or Hexagonal Boron Nitride Nanosheets Substrate