The China-America Technology Corp.
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Commodities
Alpha BBO Crystals
Multi-Laser Applications


Introduction

The most widely used birefringent crystal was the natural calcite crystal. However the calcite crystal was seriously limited because of its optical inhomogeneity, small size, and difficulty in processing.The synthesis of other birefringent crystals is an important project which researchers have been studying for a long time.

Recently many have started using alpha-Barium Borate or alpha-BBO crystals in their applications. These crystals have larger margins of birefringence over the transparent range from 189 nm to 3500 nm.They are usually grown by the Czochralski and other top seeded flux methods. However, the crystal grown by the above methods are easy to crack. We have developed a better method.

Our Technology

We have developed an alpha-BBO crystal with larger birefringence and a wide transmission window from UV to NIR. Our crystals are chemically stable, and have glasslike toughness,facilitating their fabrication into high precision optical components for lasers and other high damage applications. Our crystal is of good size and possess' the following beneficial features:

Alpha-BBO Specs

Material: Alpha-BBO

  • Structure: Hexagon R 3 c

  • Hardness: 4.5 Mohs

  • Transmission Window: 189 - 3500nm

  • Extinction Ratio: 10-6

    These crystals have larger margins of birefringence over the transparent range from 189 nm to 3500 nm

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