RTP Crystal
Rubidium titanyl phosphate (RbTiOPO4) is isostructural with KTP and widely used in nonlinear and electro-optic applications. RTP has a high damage threshold, stated as 1.8 times that of KTP, high resistivity, high repetition frequency and low susceptibility to deliquescence. Electrical signals up to 60kHz do not cause piezoelectric effects. Pumping noncritically phase-matched RTP and its isomorphs with 1.0μm-band lasers efficiently produces eye-safe 1.5–1.6μm lasers, with important applications in nonlinear optical frequency conversion.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Clear Aperture Dimension | >90 % |
| Parallelism | <20 arcsec |
| Perpendicularity | <5 arcmin |
| Surface Quality | 10/5,S/D |
| Flatness [@632.8nm] | <λ/8 @632.8nm |
| Optical Damage Threshold [@10Hz,10ns,1064nm] | 600 MW/cm² |
| Extinction Ratio [@633nm] | >20 dB |
| Electro-Optic Coefficient r₃₃ | 35 pm/V |
| Electro-Optic Coefficient r₂₃ | 12.5 pm/V |
| Electro-Optic Coefficient r₁₃ | 10.6 pm/V |
| Nonlinear Coefficient d₃₁ | 2.0 pm/V |
| Nonlinear Coefficient d₃₂ | 3.6 pm/V |
| Nonlinear Coefficient d₃₃ | 8.3 pm/V |
| Nonlinear Coefficient d₂₄ | 3.6 pm/V |
| Nonlinear Coefficient d₁₅ | 2.0 pm/V |
| Resistivity | ~10¹¹-10¹² |
| Chemical Formula | RbTiOPO₄ |
| Crystal Structure | Orthorhombic Crystal System |
| Lattice Parameters | a=12.96Å,b=10.56Å,c=6.49Å |
| Density | 3.6 g/cm³ |
| Mohs Hardness | ~5 |
| Transmission Range | 350-4500 nm |
| Refractive Index nₓ | 1.7673 |
| Refractive Index nᵧ | 1.7760 |
| Refractive Index n_z | 1.8574 |
Applications
Key Features
Datasheet
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