Yb CALGO Laser Crystal
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Ships from:
China
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On FindLight:
since 2019
Description
Yb:CaGdAlO4 (Yb:CALGO) is a cutting-edge material that has garnered significant attention in the field of laser technology, particularly for the generation of high-power and ultrashort laser pulses. This Yb-doped crystal is recognized for its exceptional ability to produce ultra-short pulses, with durations of less than 100 femtoseconds, making it an ideal choice for advanced laser systems. The crystal's broad and smooth emission bandwidth is a key feature that facilitates the generation of such short pulses, positioning Yb:CALGO as a superior material for femtosecond laser applications.
One of the standout characteristics of Yb:CALGO is its high thermal conductivity, which is crucial for managing the heat generated during high-power laser operations. This property allows the crystal to sustain high power pumping efficiently, with thermal conductivities measured at 6.9 and 6.3 W·K-1·m-1 along the a and c axes, respectively. This makes Yb:CALGO an excellent choice for high average power femtosecond oscillators, where both thermal management and pulse generation capabilities are critical.
In recent developments, Yb:CALGO has shown promising potential for use in diode-pumped, short-pulsed modelocked lasers. Compared to traditional materials like Ti:Sapphire crystals, Yb:CALGO offers a more efficient pathway for developing ultra-short laser systems using the Chirped Pulse Amplification technique. This is largely due to its compatibility with direct pumping by high-power semiconductor lasers, such as InGaAs laser diodes. These properties collectively make Yb:CALGO a compelling choice for researchers and engineers focused on advancing femtosecond laser technology.
Yb CALGO Laser Crystal
Specifications |
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|---|---|
| Type Of Crystal: | TeO2 |
| Crystal Diameter: | 5 mm |
| Crystal Length: | 15 mm |
| AR Coating: | One side |
Features
- High Thermal Conductivity: Efficient heat dissipation with values up to 6.9 W·m⁻¹·K⁻¹.
- Large Gain Bandwidth: Supports ultra-short pulse generation (<100 fs).
- Broad and Smooth Emission Spectrum: 80 nm FWHM for flexible wavelength operation.
- Low Thermal Sensitivity: Minimal refractive index variation with temperature.
- Efficient Diode Pumping: Absorption band matches high-power InGaAs laser diodes (~980 nm).
Applications
- Solid-State Femtosecond Oscillators: High average power, ultrafast pulse generation.
- Ultrafast Laser Technology: Time-resolved spectroscopy, multiphoton imaging, micromachining, refractive surgery.
- Advanced Laser Research: Particle acceleration, X-ray generation, and fusion experiments.
- Diode-Pumped Mode-Locked Lasers: Efficient, compact ultrafast systems.
- Bicolor Double-Pulse Operation: Enables advanced multi-wavelength regimes.
Frequently Asked Questions
Yes, with Yb:CALGO, it is possible to generate double pulses with different wavelengths, which is the first demonstration of bicolor femtosecond double-pulse operation.
Yb:CALGO can be directly pumped by very efficient and high power semiconductor laser, while Ti:Sapphire crystal is pumped by green laser.
Yb:CALGO is used for solid state femtosecond oscillators, ultrafast solid-state laser, time-resolved spectroscopy, multiphoton imaging, micromachining, refractive surgery, acceleration of particles, X-rays generation, fusion, BAW device, and diode-pumped short-pulsed modelocked lasers.
Yb:CALGO has a broad and smooth emission bandwidth, high thermal conductivity, and low refractive index-temperature gradient.
Yb:CALGO is a Yb-doped CaGdAlO4 crystal that is used for high-power and ultra-short laser pulses.