Harmonic Generation of Nd: YAG Laser in Gd&lt;SUB&gt;x&lt;/SUB&gt;Y&lt;SUB&gt;l-x&lt;/SUB&gt;Ca&lt;SUB&gt;4&lt;/SUB&gt;O(BO&lt;SUB&gt;3&lt;/SUB&gt;)&lt;SUB&gt;3&lt;/SUB&gt; Crystal
Rēzā kenkyū/Reza kenkyuu