KTP Crystal
Potassium Titanyl Phosphate (KTiOPO4 los yog KTP) KTP yog cov khoom siv feem ntau siv rau ntau zaus ob npaug ntawm Nd: YAG thiab lwm yam Nd-doped lasers, tshwj xeeb tshaj yog thaum lub zog ntom ntom ntawm qhov qis lossis nruab nrab.Txog rau tam sim no, ntau ntxiv thiab hauv kab noj hniav ntau dua ob npaug Nd: lasers siv KTP tau dhau los ua qhov nyiam siv rau pom cov xim lasers thiab tunable Ti: Sapphire lasers nrog rau lawv cov amplifiers.Lawv kuj tseem muaj txiaj ntsig ntsuab rau ntau yam kev tshawb fawb thiab kev lag luam.
KTP kuj tseem siv rau kev sib xyaw ntawm 0.81µm diode thiab 1.064µm Nd:YAG laser los tsim lub teeb xiav thiab intracavity SHG ntawm Nd:YAG lossis Nd:YAP lasers ntawm 1.3µm los tsim lub teeb liab.
Ntxiv nrog rau cov yam ntxwv NLO tshwj xeeb, KTP kuj tseem muaj kev cog lus EO thiab dielectric zog uas piv rau LiNbO3.Cov khoom muaj txiaj ntsig zoo no ua rau KTP muaj txiaj ntsig zoo rau ntau yam khoom siv EO.
KTP yuav tsum tau hloov LiNbO3 siv lead ua nyob rau hauv qhov ntau npaum li cas daim ntawv thov ntawm EO modulators, thaum lwm yam zoo ntawm KTP raug muab tso rau hauv tus account, xws li kev puas tsuaj loj pib, dav optical bandwidth (> 15GHZ), thermal thiab mechanical stability, thiab tsawg poob, thiab lwm yam. .
Cov yam ntxwv tseem ceeb ntawm KTP Crystals:
● Ua tau zoo zaus hloov dua siab tshiab (1064nm SHG conversion efficiency yog li 80%)
● Loj nonlinear optical coefficients (15 npaug ntawm KDP)
● Dav dav angular bandwidth thiab me me taug kev-tawm lub kaum sab xis
● Dav kub thiab spectral bandwidth
● High thermal conductivity (2 npaug ntawm BNN siv lead ua)
Daim ntawv thov:
● Zaus Doubling (SHG) ntawm Nd-doped Lasers rau cov zis ntsuab / liab
● Kev sib xyaw zaus (SFM) ntawm Nd Laser thiab Diode Laser rau cov zis xiav
● Parametric Sources (OPG, OPA thiab OPO) rau 0.6mm-4.5mm Tunable Output
● Hluav taws xob kho qhov muag (EO) Modulators, Optical Switches, thiab Directional Couplers
● Optical Waveguides for Integrated NLO and EO Devices a=6.404Å, b=10.615Å, c=12.814Å, Z=8
| Basic Properties ntawmKTP | |
| Crystal qauv | Orthorhombic |
| Melting point | 1172°C kub |
| Curie Point | 936°C kub |
| Lattice parameters | a=6.404Å, b=10.615Å, c=12.814Å, Z=8 |
| Kub ntawm decomposition | ~ 1150 ° C |
| Kev hloov pauv kub | 936°C kub |
| Mohs hardness | »5 |
| Qhov ntom | 2.945 g / cm33 |
| Xim | tsis muaj xim |
| Hygroscopic Susceptibility | No |
| Tshwj xeeb kub | 0.1737 cal/g.°C |
| Thermal conductivity | 0.13 W / cm / ° C |
| Hluav taws xob conductivity | 3.5 × 10-8s/cm (c-axis, 22 ° C, 1KHz) |
| Thermal expansion coefficient | a1Luas = 11 x 10-6°C-1 a2Luas = 9 x 10-6°C-1 a3 Luas = 0.6 x 10-6°C-1 |
| Thermal conductivity coefficients | k1Luas = 2.0 x 10-2W / cm ° C k2Luas = 3.0 x 10-2W / cm ° C k3Luas = 3.3 x 10-2W / cm ° C |
| Kev xa tawm ntau | 350nm ~ 4500nm |
| Phase Matching Range | 984nm ~ 3400nm |
| Absorption coefficient | a <1%/cm @1064nm thiab 532nm |
| Nonlinear Properties | |
| Phase txuam ntau yam | 497nm - 3300nm |
| Nonlinear coefficients (@10-64nm) | d31= 2.54pm/V, d31= 4.35pm/V, d31= 16.9pm/V d24= 3.64pm/V, d15= 1.91pm/V at 1.064 mm |
| Ua tau zoo nonlinear optical coefficients | deff ua(II)≈ (d24-d15) sin2qsin ib2j- (d15kev txhaum2j + d24cos2j) sib |
| Hom II SHG ntawm 1064nm Laser | |
| Phase txuam lub kaum sab xis | q = 90°, f = 23.2° |
| Ua tau zoo nonlinear optical coefficients | deff ua» 8,3 xd36(KDP) |
| Angular lees txais | Dθ= 75 dr habφ= 18 mr |
| Kev txais kub | 25 ° C.cm |
| Spectral txais | 5.6cm ua |
| Taug kev kaum sab xis | 1 mav |
| Optical puas pib | 1.5-2.0MW/cm2 |
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