KTP Pockels cell
The KTP (KTiOPO₄) Pockels cell, also called a potassium titanyl phosphate Pockels cell, offers excellent overall performance. Its high damage threshold, high-duty-cycle operation and very low piezoelectric resonance make it suitable for femtosecond lasers, pulse picking in high-repetition-rate lasers and Q-switching in high-repetition-rate lasers. It overcomes the low optical damage threshold of LiNbO₃ Pockels cells and the relatively high half-wave voltage and deliquescence of KD*P Pockels cells. Compared with RTP crystals, KTP provides better optical homogeneity and a higher damage threshold. A particular advantage is that a KTP electro-optic switch can operate at a high duty cycle and can even sustain high voltage for extended periods.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Phase-matching range | 980-3400nm |
| Flatness [@633nm] | <λ/8 @633nm |
| Wavefront distortion [@633nm] | <λ/8 @633nm |
| Transmission-face parallelism | <20 arcsec |
| Electrical conductivity | 3.5×10⁻⁸ s/cm (22℃,1KHz) |
| Electro-optic coefficient r₁₃ [Low frequency] | r₁₃=9.5 |
| Electro-optic coefficient r₁₃ [High frequency] | r₁₃=8.8 |
| Electro-optic coefficient r₂₃ [Low frequency] | r₂₃=15.7 |
| Electro-optic coefficient r₂₃ [High frequency] | r₂₃=13.8 |
| Electro-optic coefficient r₃₃ [Low frequency] | r₃₃=36.3 |
| Electro-optic coefficient r₃₃ [High frequency] | r₃₃=35 |
| Electro-optic coefficient r₅₁ [Low frequency] | r₅₁=7.3 |
| Electro-optic coefficient r₅₁ [High frequency] | r₅₁=6.9 |
| Electro-optic coefficient r₄₂ [Low frequency] | r₄₂=9.3 |
| Electro-optic coefficient r₄₂ [High frequency] | r₄₂=8.8 |
Key Features
Datasheet
Supplier Information
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