KDP crystal doped with L-arginine amino acid: growth, structure perfection, optical and strength characteristics

Optimizing Structural, Microhardness, Surface Growth Mechanism, Luminescence and Thermal Traits of KH2PO4 Crystal Exploiting Multidirectional H‐Bonding Quality of Dopant Tartaric Acid

“…Over past many decades nonlinear optical (NLO) NH 4 H 2 PO 4 (ADP) and KH 2 PO 4 (KDP) crystals engross large research fraternity owing to their unmatchable and most unique set of electro‐optic, ferroelectric and NLO properties. Enigmatically KDP crystal finds exclusive application in classified path breaking facilities and is most capable material for fabricating elements utilized in lasers, optical switching, optical gates, frequency multipliers, harmonic generation, optical parametric oscillators, optoelectronics and photonic devices . Due to such high technological impetus many research groups have focused their attentiveness to grow fine quality KDP crystal either by employing different growth techniques or by optimizing growth parameters or by doping a selected quantity of impurity (organic/inorganic/semiorganic) .…”

Effect of L-arginine-phosphate doping on structural, optical and strength properties of KDP single crystal

“…Addition of LAP slightly reduced the laser strength of the KDP crystal in both growth sectors (Table 3), whereas in [9,14] we showed that addition of L-arginine promoted an increase in the laser strength of KDP in the {101} sector and a decrease in the {100} one. A certain discrepancy between the mechanical and laser strength of all the doped crystals (KDP:L-arginine, KDP:NN'DU, KDP:LAP) is caused by differences in the conditions of formation of mechanical and laser damage in the crystal.…”

“…Pure and doped KDP single crystals were grown from aqueous solutions (рН4.0 ± 0.1) onto a point seed measuring 5×5×10 mm by the temperature lowering method in a 6.0-L crystallizer at a saturation temperature of 50 °C as described in [9,10]. LAP (C 6 H 14 N 4 O 2 H 3 PO 4 •H 2 O) was used for doping KDP crystals at the concentrations 0.2, 0.5, 1.0, 2.2 and 4.4 wt.% in the mother liquor (on the weight of KH 2 PO 4 salt).…”

“…The laser-induced damage threshold (LIDT) and Vicker's microhardness (H V ) of the samples of pure KDP and KDP:LAP crystals were studied as described in [9,10]. LIDT was investigated at the fundamental wavelength of YAG:Nd 3+ laser operating at λ = 1.06 µm.…”

The relationship between the laser damaged threshold and step velocity in different supersaturation regions

“…Many studies have suggested that laser damage is related to inorganic and organic impurities in the crystal growth solution. [4][5][6][7][8][9] Liu et al 10 measured the laser induced damage thresholds of z cut and triple cut samples of DKDP (potassium dideuterium phosphate) crystals with different deuterium degrees using a 1-on-1 test at 355 nm. Rajesh's studies 11 have shown that AKDP crystals (mixed crystals of ADP and KDP) are stable under lasers compared to other crystals.…”