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β-BBO crystal ultra-thin elements up to 40x10mm² or 25x25mm² and 0.05mm thick.

β-BBO crystal ultra-thin elements up to 40x10mm² or 25x25mm² and 0.05mm thick.

BBO (β-BaB₂O₄) covers 189–3500 nm with a high damage threshold, delivering efficient 2nd–4th harmonic generation of Nd:YAG lasers.

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LBO crystal low absorption up to 100x100mm² aperture element or 100mm long.

LBO crystal low absorption up to 100x100mm² aperture element or 100mm long.

LBO (LiB₃O₅) withstands 45 GW/cm² and delivers high-power 532 nm and 355 nm harmonic generation for demanding industrial lasers.

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RTP or KTP crystals based Pockels cell with high extinction ratio, cover different voltage and wavelength applications.

RTP or KTP crystals based Pockels cell with high extinction ratio, cover different voltage and wavelength applications.

RTP (RbTiOPO₄) combines large electro-optic coefficients with no piezoelectric ringing, ideal for high-repetition E-O Q-switches.

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Ferroelectric crystals based Periodical poled elements auxiliary quantum optical information technology

Ferroelectric crystals based Periodical poled elements auxiliary quantum optical information technology

PPKTP enables quasi-phase matching without beam walk-off, the leading crystal for entangled-photon SPDC and wavelength conversion.

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Constantly evolving and innovating laser crystals， support the solid-state lasers to achieve higher efficiency and more output wavelengths

Constantly evolving and innovating laser crystals， support the solid-state lasers to achieve higher efficiency and more output wavelengths

Nd:YAG is the most widely used solid-state laser crystal, delivering reliable 1064 nm output for welding, cutting and medical systems.

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Arc seconds precision level Corner Cube Retroreflectors ensure the accuracy of the laser measurement

Arc seconds precision level Corner Cube Retroreflectors ensure the accuracy of the laser measurement

Precision corner cube retroreflectors return light parallel to its source, essential for total stations, GNSS and satellite laser ranging.

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Special Optics

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Main Applications

Main Applications

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Our business operation pursue Order, Clarity, and High performance, much like the crystal itself.
Crystals A-Z

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Quantum Crystals, Ltd.

Quantum Crystals stands for functional crystal materials and precision optical devices. Since its incorporation in Beijing in 2023, Quantum Crystals, Ltd. has supplied functional crystals, optical crystal components and specialized precision optics from trusted manufacturing partners to professional buyers worldwide, while also sourcing advanced overseas crystals and devices for Chinese clients.

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Quantum Crystals, Ltd.
Unit 1005 Kaigong Building
No. 77 Jinghai 5th Road
Tongzhou District
Beijing 100176, China

+86-10-53658885
sales@Quantum-crystals.com
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