Lithium Iodate Crystal Description
Lithium Iodate Crystal (LiIO3 Crystal) is an inorganic crystal composed of lithium (Li), iodine (I), and oxygen (O) atoms. It is characterized by its unique chemical composition and crystalline structure, and it exhibits interesting optical and nonlinear optical properties. LiIO3 crystals are transparent over a wide spectral range, making them suitable for various optical applications in the ultraviolet (UV) to near-infrared (NIR) regions.
Lithium Iodate Crystal Specification
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Transmitting Wavefront Distortion
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Less than λ/4@633 nm
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Dimension Tolerance
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(W±0.2mm)x(H±0.2mm)x(L+0.5mm/-0.2)
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Clear Aperture
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>90% central area
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Flatness
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λ/4@633nm
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Scratch/Dig Code
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20/10 to MIL-PRF-13830B
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Parallelism
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Better than 20 arc seconds
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Perpendicularity
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5 arc minutes
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Angle Tolerance
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<± 0.5°
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Quality Warranty Period
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One year under proper use
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Physical Properties:
| Transmission Range |
0.5 to 5.0μm |
Crystal Structure |
hexagonal |
| Point Group |
6 |
Density |
4.487 g/cm3 |
| Mohs Hardness |
3.5-4.0 |
Absorption at 1064nm, cm-1 |
<0.05 |
| Refractive Indices at 1064nm |
no=1.8571, ne=1.7165 |
Refractive Indices at 800nm |
no=1.8676, ne=1.7245 |
| Refractive Indices at 532nm |
no=1.8982, ne=1.7480 |
Phase Matching Range for Type1 SHG(nm) |
570-4000 |
| Angular, mradxcm |
0.77 |
Spectral, cm-1 xcm |
12.74 |
| Acceptances for Type 1 SHG at 1064nm, mrad |
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Lithium Iodate Crystal Key Features
- Transmitting wavefront distortion: less than l/2 @ 633nm
- Clear aperture: > 90% central area
- Flatness: l/4 @ 633nm
- Surface Quality: 20/10
- Parallelism: better than 20 arc seconds
- Perpendicularity: 5 arc minutes
- Angle tolerance(degree): D(q) < ± 0.5, D(f) < ± 0.5
- AR coating: upon request
Lithium Iodate Crystal Application
1. Frequency Doubling (Second-Harmonic Generation, SHG):
Lithium iodate crystals are commonly used for frequency doubling, where they convert an input laser beam of one wavelength into a laser beam of exactly half the wavelength.
2. Optical Parametric Oscillators (OPOs) and Amplifiers (OPAs):
LiIO3 crystals can be integrated into optical parametric oscillators and amplifiers for tunable laser output at various wavelengths. These devices find applications in spectroscopy, material analysis, and scientific research.
3. Nonlinear Optical Studies:
Researchers use LiIO3 crystals in nonlinear optical studies to investigate fundamental aspects of light-matter interactions, quantum optics, and quantum information processing.
4. Laser Systems:
LiIO3 crystals can be integrated into various laser systems, including solid-state lasers, tunable laser sources, and mode-locked lasers. They are used in applications such as telecommunications, medical technology, and scientific research.
5. Frequency Conversion:
These crystals can be employed in frequency conversion processes, enabling the generation of laser beams at different wavelengths. This is valuable in scientific and industrial laser applications.
6. Photonics Research: LiIO3 crystals are used in photonics research to explore new methods of manipulating and controlling light for applications in telecommunications, quantum optics, and photonic integrated circuits.
7. Entangled Photon Pair Generation: LiIO3 crystals can be used to generate entangled photon pairs, which are essential in quantum optics experiments and quantum communication research.
Lithium Iodate Crystal FAQs
Q1. What sizes and customizations are available for Lithium Iodate Crystals?
Lithium Iodate Crystals are typically available in standard sizes like 10x10x5 mm or customized dimensions based on application requirements. Options for anti-reflective coatings and specific orientations can also be provided.
Q2 What are the handling and storage precautions for Lithium Iodate Crystals?
- Handle with care: Lithium Iodate is hygroscopic and can degrade in high-humidity environments.
- Store properly: Keep in a desiccator or vacuum-sealed packaging to maintain performance.
- Avoid contamination: Use clean gloves or tools to handle the crystals to prevent surface damage.
Q3 Are anti-reflective coatings available for Lithium Iodate Crystals?
Yes, anti-reflective (AR) coatings can be applied to Lithium Iodate Crystals to enhance transmission efficiency and reduce reflection losses, tailored to specific wavelength ranges.
