n2 Explorer: KTiOAsO4 (Potassium titanyl arsenate, KTA)
Jansonas et al. 2022: E∥XZ
Jansonas et al. 2022: E∥Y (β)
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About Potassium titanyl arsenate
Potassium titanyl arsenate (KTiOAsO4, abbreviated as KTA) is a nonlinear optical crystal that is commonly used for frequency-doubling and -tripling applications, as well as for optical parametric oscillators (OPOs). This material offers a broad transparency range, extending from the visible to the mid-infrared spectrum. Its phase-matching capability allows for versatile tunability, making it highly desirable for use in various laser systems and other optical devices. KTA is particularly advantageous when used in high-power and high-repetition-rate laser systems due to its high damage threshold. However, it should be noted that the material contains arsenic and should be handled with appropriate safety precautions.
Other names and variations:- KTiOAsO4
- KTA