# AOG CRYSTAL

> AOG CRYSTAL Technology Co., Ltd. (Xiamen, China) — manufacturer of solid-state laser crystals, nonlinear optical crystals, passive Q-switches, diffusion-bonded composite crystals, and infrared optical materials. We supply custom-fabricated crystals and optics to laser system integrators, optics engineers and researchers worldwide.

## Product categories
- [Laser Crystals](https://aogcrystal.com/laser-crystals.html): Nd:YAG, Nd:YVO4, Nd:YLF, Nd:Ce:YAG, Yb:YAG, Er:YAG, Tm:YAG, Ho:YAG, Ho:YLF, Tm:YLF, Pr:YLF, Ti:Sapphire
- [Nonlinear Crystals](https://aogcrystal.com/nonlinear-crystals.html): BBO, LBO, CLBO, KTP, KTA, KDP / DKDP, LiNbO3 & MgO:LiNbO3
- [Passive Q-Switched Crystals](https://aogcrystal.com/passive-q-switched-crystals.html): Cr4+:YAG, Co:Spinel, V:YAG, Cr:GSGG
- [Diffusion Bonding Crystals](https://aogcrystal.com/diffusion-bonding-crystals.html): YAG/Nd:YAG/Cr4+:YAG and other composite combinations
- [Magneto-Optical Crystals](https://aogcrystal.com/magneto-optical-crystals.html): TGG for Faraday isolators
- [Acousto-Optic Q-Switch](https://aogcrystal.com/acousto-optic-q-switch.html): TeO2
- [Raman Crystals](https://aogcrystal.com/raman-crystals.html): KGW, KYW, Barium Nitrate
- [Infrared Materials](https://aogcrystal.com/infrared-materials.html): ZnSe, ZnS, CaF2, Ge, Si windows and optics

## Free engineering tools
- [Absorption Coefficient Calculator](https://aogcrystal.com/absorption-coefficient-calculator-tools.html)
- [Phase Matching for SHG](https://aogcrystal.com/phase-matching-for-shg.html)

## Technical knowledge
- [Knowledges of Crystals](https://aogcrystal.com/knowledges-of-crystals.html) — crystal properties, selection and comparison guides
- [Crystal Applications](https://aogcrystal.com/crystals-applications.html) — application notes by laser system
- [Theory of Optical](https://aogcrystal.com/theory-of-optical.html) — coating and thin-film theory

## Company
- [About AOG CRYSTAL](https://aogcrystal.com/about.html)
- [Services](https://aogcrystal.com/services.html)
- [Contact / Request a quote](https://aogcrystal.com/contact.html) — sales@aogcrystal.com