Fiber Phase Modulators have wide applications in multiple fields, including:
1. Fiber Communication Systems: Fiber Phase Modulators play a crucial role in fiber communication systems, enabling high-speed and efficient modulation to improve transmission speed and distance, and reduce signal distortion. Example: Used in coherent fiber communication systems and dense wavelength division multiplexing (DWDM) systems to generate multiple frequency mode-locked lasers, as well as electric-optic modulators for laser beams.
2. Fiber Sensing: Fiber Phase Modulators have extensive applications in fiber sensing, allowing detection of changes in refractive index or propagation constant caused by measured objects to obtain measurement information. Example: Used for temperature measurement and current detection, etc.
3. Optical Measurement: Fiber Phase Modulators are used to accurately modulate light signals in various optical instruments, such as interferometers, phase modulators, fiber delay lines, and OTDR (Optical Time-Domain Reflectometry).
4. Laser Radar: Fiber Phase Modulators are applied in laser radar systems to improve performance by modulating the phase of laser beams.
5. High Accuracy Gas Detection: Fiber Phase Modulators are also applied in high accuracy gas detection, enabling the detection of changes in gas concentrations.
6. Spectral Control: Fiber Phase Modulators can be used in spectral control technology, for example, through direct phase modulation to control spectrum broadening and compensate for gain narrowing and spectrum smoothing in amplification processes.
7. Other Applications: In addition, fiber phase modulators are also applied to other specific applications such as CATV (Cable Television) systems, wireless communication base stations and repeaters, and other optical analog systems.
Fiber Phase Modulators play a crucial role due to their flexible phase and spectral control capabilities in various fields including fiber communication, fiber sensing, optics measurement, laser radar, high accuracy gas detection, and spectrum control.
When selecting piezoelectric ceramics for fiber phase modulators, lead zinc titanate (PZT) piezoelectric ceramics are a suitable choice. The following are the detailed reasons:
High stability and high-speed modulation characteristics: PZT piezoelectric ceramics have high stability and high-speed modulation characteristics, which enable fiber phase modulators based on PZT to achieve efficient phase modulation.
Good piezoelectric properties: After polarization, PZT piezoelectric ceramics exhibit good piezoelectric properties, which can achieve phase modulation through reverse piezoelectric effect. This property makes PZT ceramic stand out in fiber phase modulators.
Cost-effective: Compared with commonly used lithium niobate (LiNbO3) phase modulators, PZT has cost advantages. This makes PZT a cost-effective choice for large-scale production and applications.
Lead zinc titanate (PZT) piezoelectric ceramics are chosen due to its high stability, high-speed modulation characteristics, good piezoelectric properties, and cost-effectiveness, making it an ideal choice for fiber phase modulators.
Fiber phase modulators based on PZT use a unique multi-twisted method, which makes the product have high stability and high-speed modulation characteristics. This unique design further improves the performance of PZT ceramic in fiber phase modulators.
YiNGUAN provides stacked piezoelectric ceramics with response times of sub-millisecond and nanometer resolution, meeting the accuracy requirements for optical phase modulation. YiNGUAN's self-researched and self-produced stacked piezoelectric ceramics can produce a large driving displacement at low voltages, with a maximum displacement of 180 micrometers.
Meanwhile, the resonant frequency reaches up to 250 kHz, satisfying the high-speed demands of fiber optic communication and interferometric measurement applications.
The company's piezoelectric ceramics have achieved mass production and offer a wide range of product specifications and varieties to match different fiber stretcher structural designs.
To meet clients' customized integration requirements, YiNGUAN can customize packaging dimensions, voltages, strokes, and metal terminals, ensuring mechanical stiffness and stability to ensure the reliability and long-term performance of the fiber stretcher.
