Applied Physics Research
The Growth of Nd:YAG Single Crystals by Czochralski Method with ADC-CGS – Preliminary Work
Abstract
Although Nd:YAG was invented in the 1960s in the last century, it has been and still the most commonly crystal
material widely used in all types of solid-state lasers systems such as frequency-doubled continuous wave,
high-energy Q-switched, and so forth in applications to the medical, industrial, military and scientific research. A
Crystal Growth System namely Automatic Diameter Control – Crystal Growth System (ADC-CGS) was utilized
to prepare a single crystal of Nd:YAG grown in the <111> direction using the Czochralski. By an effective
control on the growth parameter such as maintaining temperature gradient by controlling the output power and
the growth rate, an Nd:YAG single crystal with the dimensions of 75 mm in length and 30 mm in diameter was
successfully produced using the ADC-CGS. The color of the Nd:YAG single crystal is slightly purple when
exposed to the light. This is a unique characteristic of YAG crystal when doped with Neodymium (Nd) followed
by a better fluorescence lifetime and thermal conductivity.
material widely used in all types of solid-state lasers systems such as frequency-doubled continuous wave,
high-energy Q-switched, and so forth in applications to the medical, industrial, military and scientific research. A
Crystal Growth System namely Automatic Diameter Control – Crystal Growth System (ADC-CGS) was utilized
to prepare a single crystal of Nd:YAG grown in the <111> direction using the Czochralski. By an effective
control on the growth parameter such as maintaining temperature gradient by controlling the output power and
the growth rate, an Nd:YAG single crystal with the dimensions of 75 mm in length and 30 mm in diameter was
successfully produced using the ADC-CGS. The color of the Nd:YAG single crystal is slightly purple when
exposed to the light. This is a unique characteristic of YAG crystal when doped with Neodymium (Nd) followed
by a better fluorescence lifetime and thermal conductivity.
This work is licensed under a Creative Commons Attribution 3.0 License.
Applied Physics Research ISSN 1916-9639 (Print) ISSN 1916-9647 (Online)
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