Nonlinear optical crystal KTiOPO4 (KTP) has excellent frequency doubling performance: large nonlinear coefficient, no delixation, optical damage threshold up to GW/cm2, and little change of phase matching condition with temperature. According to practical experience, crystals with large nonlinear coefficients often have excellent electro-optical properties. The successful development of low conductivity KTP crystal by molten salt method has greatly promoted the practical application of KTP electro-optic devices, especially in the field of high-frequency modulation.
KTP Electro-optical Q-switch Crystal—a crystal having a high electrooptic coefficient, a low dielectric constant, and capable of operating at high frequencies
The dielectric constant ε22 of KTP varies little with frequency and is not affected by the electric coupling effect under pressure. ε33 varies greatly with frequency and is not affected by the electrical coupling effect under pressure. Especially at high frequencies, ε22 and ε33 do not vary with frequency.Outside the 500kHz-10MHz region, electro-optic devices made with KTP crystals do not produce parasitic oscillations due to piezoelectric coupling, which are severe in other electro-optic crystals. The thermal hysteresis effect of KTP is much smaller and has high temperature stability.
|
Number
|
Size(mm) | Length(mm) | θ | Φ | Coating | Application |
Price
|
Delivery
(week)
|
Order
|
| KTP001 |
3*3
|
5
|
90° | 23.5° | AR/AR@532+1064 nm | SHG@1064 nm, type II | 120 |
1-2
|
 |
| KTP002 |
3*3
|
10
|
90° | 23.6° | AR/AR@532+1064 nm | SHG@1064 nm, type II | 140 |
1-2
|
|
| KTP003 |
5*5
|
5
|
90° | 23.7° | AR/AR@532+1064 nm | SHG@1064 nm, type II | 210 |
1-2
|
|
| KTP004 |
5*5
|
10
|
90° | 23.8° | AR/AR@532+1064 nm | SHG@1064 nm, type II | 300 |
1-2
|
|
| KTP005 |
7*7
|
5
|
90° | 23.9° | AR/AR@532+1064 nm | SHG@1064 nm, type II | 350 |
1-2
|
|
| KTP006 |
7*7
|
10
|
90° | 23.10° | AR/AR@532+1064 nm | SHG@1064 nm, type II | 470 |
1-2
|
|
| KTP0104 |
3*3
|
5
|
- | - | AR/AR@1064 nm&533 nm | SHG@1064 nm, type II | Negotiable |
1-2
|
|
| KTP0105 |
3*3
|
10
|
- | - | AR/AR@1064 nm&534 nm | SHG@1064 nm, type II | Negotiable |
1-2
|
|
| KTP0107 |
7*7
|
20
|
- | - | AR@1064 nm&532 nm | OPO for 1064@1570 nm ,type II | Negotiable |
1-2
|
|
| Transparency range | 350-4500 nm |
| Crystal structure | Orthorhombic |
| Density | 3.01 g/cm3 |
| Mohs hardness | 5 |
| Absorption Coeffient | a < 1%/cm @1064 nm and 532 nm |
| Refractive indices | nx=1.7377, ny=1.7453, nz=1.8297 @ 1064 nm |
| nx=1.7780, ny=1.7886, nz=1.8887 @ 532 nm | |
| Sellmeier equations (λ, μm) | nx2=3.0065+0.03901/(λ2-0.04251)-0.01327λ2 |
| ny2=3.0333+0.04154/(λ2-0.04547)-0.01408λ2 | |
| nz2=3.3134+0.05694/(λ2-0.05658)-0.01682λ2 | |
| Thermal conductivity | 13 W/m/K |
| Therm-optic Coefficients (/℃) | dnx/dT=1.1*10-5 |
| dny/dT=1.3*10-5 | |
| dnz/dT=1.6*10-5 |
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