TeO2 Acousto-optic Q-Switch Crystal
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China
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On FindLight:
since 2019
Description
Tellurium Dioxide, commonly referred to as TeO2 or Paratellurite, is a remarkable acousto-optic crystal material. Its unique properties make it a preferred choice in the production of various advanced optical devices. This material is highly valued in the fields of laser technology and optoelectronics due to its high figure of merit, which is attributed to its significant elastic coefficient and high refractive index. These characteristics enable TeO2 to excel in acousto-optic applications, offering high diffraction efficiency, broad bandwidth, and rapid beam deflection speeds.
The crystal's high transparency to visible light and its exceptional sound and light characteristics further enhance its utility in optical applications. TeO2 is known for its small sound attenuation and large sound and light quality factor, making it an ideal component in the fabrication of anomalous acousto-optic devices. Its high refractive index also contributes to its effectiveness in various laser technologies, including medical applications with lasers of 355nm, 532nm, 2100nm, and 2000nm wavelengths. In addition to its optical performance, Tellurium Dioxide's physical properties, such as its colorless appearance, contribute to its versatility. It possesses a tetragonal crystal structure with specific lattice distances and a melting point of 733°C.
The material's hardness, density, and thermal expansion coefficients are well-suited for demanding optical environments. Overall, TeO2 continues to be a critical material in advancing optical technologies, providing significant advantages in terms of efficiency and performance.
TeO2 Acousto-optic Q-Switch Crystal
Specifications |
|
|---|---|
| Type Of Crystal: | TeO2 |
| Crystal Diameter: | 5 mm |
| Crystal Length: | 2 mm |
| AR Coating: | One side |
| Chemical Formula: | TeO2 |
| Operating Mode: | Slowshear, noncollinear propagation АОTF main characteristics |
| Thermal Expansion: | 10-6 К-1: α11 = 17.7; α22 = 17.7; α33 = 5.5 |
| Transmittivity: | >70% at 633nm |
| Optical Wavelength Range: | 514nm, 633nm, 1064nm, 1330nm АОM main characteristics |
| Optical Rise Time: | 9-200 nsec on beam diametr АОM main characteristics |
| Beam Separation (633 Nm): | 10-30 mrad АОM main characteristics |
| Modulation Frequency (-3db): | 6-50 MHz АОM main characteristics |
| Optical Wavelength Range: | 540nm-530nm, 630nm-850nm, 700nm-1100nm, 1064nm, 1330nm АОD main characteristics |
| Center Frequency: | 20- 200 MHz АОD main characteristics |
| Resolution (T.BW Product): | 200-2000 АОD main characteristics |
| Tuning Range: | 450-750nm, 900-1200nm, 1200-2500nm, 2500-5000nm АОTF main characteristics |
Features
- Excellent Acousto-Optic Crystal Material: Tellurium Dioxide (TeO2, Paratellurite) is renowned for its high figure of merit, making it ideal for acousto-optic applications.
- Wide Range of Applications: Used in the production of acousto-optic modulators (AOM), acousto-optic deflectors (AOD), laser Q-switches, and RF spectrum analyzers.
- High Diffraction Efficiency: TeO2 acousto-optic deflectors are optimized for high diffraction efficiency, long bandwidth, and rapid beam deflection speed.
- Small Sound Attenuation: Minimizes loss of sound energy, enhancing device performance.
- Large Sound and Light Quality Factor: Ensures high-quality signal processing in optical and acoustic applications.
- High Refractive Index: Provides superior optical performance with high transparency to visible light.
- Laser Compatibility: Compatible with 355nm, 532nm, 2100nm, and 2000nm lasers, suitable for medical and other precise applications.
- Fabrication of Anomalous Acousto-Optic Devices: Widely used to create advanced acousto-optic devices.
- High Transparency: Offers over 70% transmittance at 633nm, covering a transmitting range of 0.33 to 5.0 microns.
- Durable Physical Properties: Colorless with a melting point of 733°C and Moh's hardness of 3-4, ensuring robustness in various conditions.
Applications
- Acousto-Optic Modulators (AOM): Precise intensity and frequency modulation of laser beams.
- Acousto-Optic Deflectors (AOD): Rapid beam steering for laser scanning and imaging systems.
- Laser Q-Switches: Enables high peak power pulsed laser operation.
- RF Spectrum Analyzers: Critical component in analyzing radio frequency signals in optics.
- Tunable Optical Filters: Wavelength-selective filtering for spectroscopy and telecommunications.
- Medical Lasers: Compatible with 355 nm laser systems for therapeutic uses.
- Infrared and Visible Laser Systems: Utilized in 532 nm, 2000 nm, and 2100 nm laser technologies.
Frequently Asked Questions
TeO2 Acousto-optic Q-Switch Crystal is suitable for material processing with 355nm laser, medical applications with 532nm laser, 2100nm laser, and 2000nm laser, as well as acousto-optic coordinating filter, acousto-optic deflector, acousto-optic modulator, acousto-optic tunable filter, and active Q-switch laser.
The features of TeO2 Acousto-optic Q-Switch Crystal include small sound attenuation, large sound and light quality factor, high figure of merit, excellent sound and light characteristics, high transparency to visible light, and high refractive index.
The modulator properties of TeO2 Acousto-optic Q-Switch Crystal include an optical wavelength range of 514nm, 633nm, 1064nm, and 1330nm, an optical aperture of 0.3 mm - 3 mm, a diffraction efficiency of 70-85%, and a modulation frequency of 6-50 MHz.
The physical and chemical properties of TeO2 Acousto-optic Q-Switch Crystal include a molar mass of 159.60 g/mol, a melting point of 733°C, a hardness of 3-4 Moh's hardness scale, and a transmitting range of >70% at 633nm.
TeO2 Acousto-optic Q-Switch Crystal is used in the production of Acousto-optic modulator (AOM), Acousto-optical deflector (AOD), Laser Q-switches, RF spectrum analyzers in laser technology science and optoelectronic technology.