Abstract:
:Laser has been widely used in many aspects, by now it is difficult to get each frequency that we want, and frequency conversion is an effective way to obtain different frequency laser through a nonlinear optical crystal. MgO-doped LiNbO3 (Mg:LN) crystal has usually been used for second harmonic generation (SHG) through temperature-matching configuration with a stove, till now a room temperature 90° phase-matching is still lacking. Here we find that the SHG of Nd:YAG laser is achieved at 26.1 °C while the optical damage resistance is higher than 6.5 MW/cm2 in the ZrO2 and MgO co-doped LiNbO3 (Zr,Mg:LN) crystal. Moreover, the monotonic decrease of phase-matching temperature is firstly found with the increase of doping concentration. These unusual properties may be attributed to the formation of [Formula: see text] + [Formula: see text] defect pairs. Our work suggests that Zr,Mg:LN crystal may be an attractive candidate for nonlinear optical applications.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Kong T,Liu H,Ge X,Qu D,Liu S,Chen S,Zhang L,Kong Y,Rupp R,Xu Jdoi
10.1038/s41598-018-22205-zsubject
Has Abstractpub_date
2018-03-01 00:00:00pages
3865issue
1issn
2045-2322pii
10.1038/s41598-018-22205-zjournal_volume
8pub_type
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