Nonlinear Crystals: DLAP
Nonlinear Crystals: DLAP
Description
Deuterated Arginine Phosphate (DLAP) is a type of nonlinear crystal used in ultrafast laser applications, particularly for optical parametric amplification (OPA). DLAP is a deuterated form of Arginine Phosphate (LAP) crystal, which is similar in structure to KDP.
DLAP has several advantages over LAP for OPA applications. Its deuterated nature allows for a higher nonlinearity and a lower photorefractive damage threshold, which is important for high-power laser applications. DLAP also has a higher damage threshold than KDP, making it a promising candidate for high-energy ultrafast laser systems.
In optical parametric amplification, DLAP can be used to amplify ultrafast laser pulses with high efficiency, and to generate tunable laser radiation in the near- to mid-infrared region. DLAP can also be used for frequency conversion, harmonic generation, and as a nonlinear element in laser-based experiments.
| Transparency range, nm | 220 - 1300 |
| Symmetry, space group | monoclinic, P21 |
| Lattice parameters, Å | a = 10.75; b = 7.91; c = 7.32; Z = 2; ß = 98.0 |
| Mohs hardness | 3 |
| Refractive indexes: | |
| at 1064 nm | nx = 1.4973; ny = 1.5590; nz = 1.5674 |
| at 532 nm | nx = 1.5117; ny = 1.5794; nz = 1.5884 |
| at 355 nm | nx = 1.5352; ny = 1.6078; nz = 1.6211 |
| Non-linear coefficients, pm/V | d23 = - 0.84, d25 = - 0.58 |
| Decomposition temperature, °C | 130 |
| Optical absorption, cm-1 for DLAP | 0.02 at 1064 nm, 0.01 at 532 nm, 0.04 at 355 nm |
| Optical damage threshold, GW/cm2, outside matching at 1053 nm, 23 nsec or 526 nm, 20 nsec | > 10 |
| Chemical properties | hygroscopic |
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