Periodically-Poled Lithium Niobate 25.5–28.7 or 28.5–29.9µm, 1mm aperture
For use in the 1.3–1.6 µm wavelength range. With an active aperture of 1 mm and a periodic poling of 25.5–28.7 or 28.5–29.9 µm.
Full Product Description- Wavelength:
- 1.3–1.6 µm
Product description
G&H’s Periodically Poled Lithium Niobate (PPLN) crystals with poling periods of 25.5–28.7 µm or 28.5–29.9 µm and a 1 mm aperture are designed for efficient mid-infrared frequency conversion through quasi-phase matching. These grating periods are tailored for applications such as difference frequency generation (DFG), sum frequency generation (SFG), and optical parametric oscillation (OPO), especially when using near-infrared pump sources.
The larger 1 mm aperture allows for higher optical throughput and improved beam compatibility, making them ideal for laboratory and industrial laser systems requiring robust performance and precision-engineered nonlinear conversion.
All crystals are manufactured with high uniformity, excellent surface quality, and stable domain structures.
Phase matching over very long propagation lengths is possible with our congruently grown PPLN manufactured from highly uniform Z-axis wafers.
Key features
- Phase matching over long propagation lengths
- Very low absorption
- High purity
- High fidelity domain structure
- Damage-resistant MgO:PPLN available
- Chirped, fan-out, and multi-period options
- Integrated optics compatibility
- In-house grown and poled wafers
Related Products
- Temperature tuning curves and guides
- Multiple grating chips for coarse tuning
- AR-coated chips for SHG or telecom
Specifications
| Name | Value |
|---|---|
| Crystal Type | Periodically Poled Lithium Niobate (PPLN) |
| Wavelength | 1.3–1.6 µm |
| Domain Periods | 5.2 – 31.2 µm |
| Crystal Size | Common: 3 × 0.5 × 1–10 mm |
| Material Options | CLN, MgO:LN |
| Coatings | AR / DAR available |
| Conversion Efficiency | deff > 14 pm/V (MgO:PPLN) |
| Tuning Range | Typically 30–80°C |
Applications
- Second harmonic generation (SHG) to green/blue
- Mid-IR DFG and OPO sources
- Spectroscopy and sensing
- RGB laser projection
- Missile countermeasure systems
