KMLabs (Kapteyn-Murnane Labs Inc)

Y-Fi

High-energy ultrafast fiber laser, 5W, <150 fs, adjustable 1-10 MHz

Red Dragon 20mJ

High-energy, ultrafast, Ti:Sapphire multipass amplifier, 29 mJ

Wyvern 500

Robust, single-stage, high-power, Ti:Sapphire ultrafast regenerative amplifier, 50-200 kHz

Wyvern 1000

Robust, single-stage, high-power, Ti:Sapphire ultrafast regenerative amplifier

Articles

Henry Kapteyn and Margaret Murnane won the award for their ultrafast x-ray sources.

Positioning, Support & Accessories

KMLabs founders Murnane and Kapteyn win Benjamin Franklin Medal in physics

Gail Overton

The award honors the legacy of Benjamin Franklin by presenting awards for outstanding achievements in science, engineering, and industry

Enabled by new light sources providing maximum flexibility for optimizing parameters, three-photon microscopy allows nondestructive imaging deep into a wide variety of specimens. This micrograph was acquired at 1330 nm (3 MHz) using a fiber laser designed to optimize three-photon fluorescence excitation in multiphoton imaging (KMLabs’ Y-Fi OPA); it shows mouse brain vasculature and neurons (labeled with fluorescein isothiocyanate-conjugated dextran and green fluorescent protein, respectively).

Research

Multiphoton Imaging/Light Sources: New flexibility for deep, nondestructive imaging

Laser innovations that enable balancing of critical parameters provide unprecedented options for quick, nondestructive, high-quality imaging deep into tissue.

Laser Focus World announces 2018 Innovators Awards

For the first time, Laser Focus World has held its Innovators Awards program, which celebrates the disparate and innovative technologies, products, and systems found in the photonics...

FIGURE 1. A prototype cyborg dragonfly carries sensors and a photovoltaic power supply; the addition of optogenetically controlled steering will complete the conversion of this insect into a tiny externally controlled drone that can continually power itself by pausing to eat other insects.

Technology Review: Laser Focus World's top 20 photonics technology picks for 2017

John Wallace

Optics and photonics contribute hugely to the digital revolution and are in turn furthered by it. Some of these contributions are evident to the average tech-savvy but nonspecialist...

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KMLabs commercially introduces direct diode pumped Ti:sapphire ultrafast laser

John Wallace

After years of development, KMLabs has commercially introduced the first titanium:sapphire (Ti:sapphire) ultrafast laser oscillator directly pumped with blue-emitting laser diodes...

KMLabs direct diode-pumped Ti:sapphire oscillator has a sub-15 fs pulse

The Stryde Blue direct diode-pumped Ti:sapphire oscillator is pumped by a single integrated laser diode and offers stability of >500 hours of less than 0.05% RMS.

FIGURE 1. In this fully diode-pumped ultrafast Ti:sapphire oscillator-amplifier system, the Kerr-lens-modelocked Ti:sapphire oscillator is pumped with a single-emitter 465 nm diode (3.1 W), while the amplifier is pumped by either high-power fiber-coupled 450 nm diodes (up to 100 W), or spatially/spectrally combined 465/450 nm single emitters (up to 30 W), and is cryogenically cooled.

Ultrafast Lasers: Enhancing ultrafast: Direct diode-pumped Ti:sapphire laser systems

Consumer-driven technologies breathe life into the material of choice for ultrafast lasers.

The Brewster-cut Ti:sapphire crystal shows the tight focus from the blue pump diodes.

Future Optics: Ultrafast optics and photonics open up new discoveries - Interview with Margaret Murnane

High-harmonic sources have very high temporal and spatial coherence, so they can achieve very high temporal and spatial resolution.

FIGURE 1. A diagram shows the evolution of ultrafast lasers from the original dye lasers to more-recent solid-state and fiber-based lasers.

Ultrafast Scientific Lasers: Ultrafast scientific lasers expand on their legacy

John Wallace

The femtosecond-scale pulse durations of ultrafast lasers are ideal for science, capturing physical and biological processes that normally happen too fast to measure.

FIGURE 1. Schematic of a typical tabletop CDI microscope (a = transmission, b = reflection). An ultrashort near-infrared pulse is focused into a hollow capillary, where high-harmonic generation produces 13 nm light. The fundamental light is stripped away with the combination of a silicon rejector mirror (set at Brewster's angle for the fundamental) and a thin metallic filter. The light is spectrally filtered by two Bragg reflectors and focused onto the sample. The scattered light from the sample is collected on the detector. A reconstruction is shown in the inset.

Test & Measurement

Nanoscale Imaging: Tabletop high harmonics illuminate the nano-world

High-harmonic generation and coherent diffraction imaging can produce quantitative phase and amplitude high-contrast images.

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Additional content from KMLabs (Kapteyn-Murnane Labs Inc)

KMLabs introduces single-box femtosecond oscillator

The Griffin-10 femtosecond oscillator is designed for second-harmonic generation, terahertz, and pump-probe users.

Ultrafast amplifier from KMLabs provides 9 W of average power

The Wyvern HE ultrafast amplifier system delivers 9 mJ pulse energy with less than 45 fs pulse duration at a 1 kHz repetition rate.

Test & Measurement

Broadband optical metrology system from KMLabs measures group delay dispersion