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Femtosecond OPCPAs from XUV to MIR for ultrafast dynamics experiments - a brief overview

7/31/2020

 
Ultrafast dynamics experiments in physics, chemistry and biology, in condensed matter or gas phase require different types of ultrafast laser sources. Class 5 Photonics builds high-power optical parametric chirped pulse amplifiers (OPCPA) which are a powerful toolbox to deliver femtosecond pulses from
the XUV to MIR spectral range
.
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2D Infrared spectroscopy (2DIR) / PEEMS / tr-ARPES / Multi-color pump-probe, Mid-IR and THz spectroscopy / Magneto-optical Kerr-effect (MOKE) microscopy / Raman spectroscopy / HHG, x-ray and electron spectroscopy

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Our first White Dwarf OPCPA shipped to Korea

4/3/2020

 
Some good news and some bad news… Just before the coronavirus disease arrived to Europe Class 5 Photonics shipped its very first system to Asia - namely South Korea. We are proud to reach the Asian market and to serve scientists world-wide with our high-power OPCPA systems made in Germany.

The shipped White Dwarf OPCPA is a compact (80 cm x 80 cm) one-box laser system incorporating a 40 W Coherent Monaco industrial laser and the Class 5 Photonics' high-power optical parametric chirped-pulse amplifier (OPCPA). This unique combination provides turnkey access to few-cycle pulse widths < 9 fs at 800 nm, with pulse energies > 4 μJ and 1 MHz repetition rate, featuring excellent long-term output stability. The White Dwarf system is ideal for applications ranging from attosecond science to ultrafast electron diffraction and multidimensional spectroscopy.

Our little package already arrived at Korea and now the system is waiting for its installation in the Customer's lab. Unfortunately, the current situation of world-wide Corona infections, quarantine and travel bans will postpone the installation.  We are patient until then and look forward to rock the customer’s new lab when the White Dwarf OPCPA gets finally installed (we keep you posted).
  • Learn more about the White Dwarf OPCPA providing few-cycle pulses
  • Coherent White paper "White Dwarf and Monaco: A Simple, Turnkey Source of <10 fs Pulses”
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Proud Laser Engineers a few weeks ago with packaged White Dwarf OPCPA system.
Customer lab in South Korea with White Dwarf OPCPA waiting for its installation.
Normalized spectral intensity: White Dwarf OPCPA WD-800, central wavelength ca. 800 nm, 4 W average power, 1 MHz repetition rate, Pump laser Coherent Monaco 40 W.
Retrieved temporal intensity profile measured via SHG-FROG: White Dwarf OPCPA WD-800, central wavelength ca. 800 nm, pulse duration FWHM 8.9 fs, 4 W average power, 1 MHz repetition rate, Pump laser Coherent Monaco 40 W.

Our CTO Michael presented our tunable White Dwarf OPCPA from 250-1300 nm

2/19/2020

 
Our CTO Michael presented at the SPIE Photonics West 2020 conference our latest developments:

A dual channel laser system with gap-less tuning from 250 to 1300 nm at megahertz repetition rates for time resolved photoelectron emission microscopy and spectroscopy (PEEM/PES/ARPES).

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Volumetric imaging of deep brain tissue

10/2/2019

 
One of the main goals in neuroscience is to capture functional dynamics of in-vivo neuronal circuits in deep brain tissue.

In particular, multi-photon microscopy reduces the out-of-focus excitation within tissue and shows a good signal-to-background ratio at deep sample depths, because of higher order nonlinear excitation and weaker scattering at longer wavelengths.

The high average power of the White Dwarf OPCPA powered by Coherent allows to discover the full potential of 3D bio-imaging in a large volume while maintaining single-cell resolution.

Volumetric imaging methods benefit from the synchronized dual output option at 960 nm and 1300 nm to record simultaneously two- and three-photon excitations of green fluorescent proteins. The high pulse energy available allows spatiotemporal multiplexing and recording of neuroactivity beyond one milimeter deep within mouse brain.
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3D rendering of Hybrid Multiplexed Sculpted Light Microscopy recording in mouse PPC, cytosolic GCaMP6f (green: 2p, cyan: 3p), Vaziri Lab. (Weisenburger et al., Volumetric Ca2+ Imaging in the Mouse Brain Using Hybrid Multiplexed Sculpted Light Microscopy, Cell (2019), https://doi.org/10.1016/j.cell.2019.03.011).
Additionally, the White Dwarf OPCPA can be configured for three-photon excitation of red fluorescent proteins at 1700 nm. Pulse energies of more than 2 µJ at 1 MHz repetition rate allow fast imaging of deep-tissue.

The White Dwarf OPCPA implements the Coherent Monaco industrial fiber laser as pump source for long-term stability, reliability and turn-key operation.
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WHITE DWARF OPCPA powered by Coherent

  • up to 5 µJ pulse energy at 1 MHz
  • up to 250 nJ pulse energy at 10 MHz
  • < 50 fs pulse duration
  • 960 and 1300 nm dual output option
  • 1700 nm output option
  • dispersion pre-compensation for microscope set-up
Learn more about the White Dwarf

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    Events
    • DESY/EuXFEL user meeting Online,
      25 - 29 Jan 2021
    • SPIE Photonics West Online,
      6 - 11 Mar 2021
    • Laser World of Photonics China,
      booth 4403 hall W4 at Hochlaser,
      17 -19 Mar 2021
    • CLEO San Jose,
      11 – 13 May 2021
    • Laser World of Photonics Munich,
      21–24 Jun 2021
    • Sculpted Light in the Brain Boston,
      2 - 9 Jun 2021

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  • News/Events
  • Products
    • White Dwarf for 3-photon microscopy
    • White Dwarf for material science
    • White Dwarf for few-cycle pulses
    • White Dwarf HE
    • Supernova
  • Applications
    • 3-photon microscopy
    • Ultrafast science
    • EUV/SXR technology
  • Technology
  • Company
  • Contact