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Source: Nature
Understanding Monolithic Lasers
Monolithic lasers are a type of solid-state lasers where the entire laser resonator is constructed from a single piece of crystal or glass. This design differs from traditional solid-state lasers that consist of multiple discrete elements. Monolithic lasers offer a compact and stable setup, making them ideal for applications requiring stable single-frequency operation and low sensitivity to vibrations.
Types of Monolithic Lasers
There are various types of monolithic lasers, each designed for specific purposes. Some examples include monolithic integrated Nd:YAG lasers, monolithic self-Q-switched Cr,Nd:YAG lasers, and monolithic integrated Raman silicon lasers.
Properties of Monolithic Lasers
Monolithic lasers typically have low intracavity losses, resulting in a low threshold pump power and a small linewidth. Due to their short resonator design, these lasers exhibit a high relaxation oscillation frequency, which can lead to high noise performance at specific frequencies. However, the rigid construction of monolithic lasers limits the insertion of additional optical components and modifications to the laser design without fabricating a new device.
Advantages and Limitations
The primary advantages of monolithic lasers include their stability, compactness, and low intracavity losses. These features make them suitable for applications requiring precise and consistent laser output. However, the inability to easily modify the laser design can be a limitation, especially when specific adjustments are needed for different applications.
Overall, monolithic lasers offer a reliable and efficient solution for various industrial and scientific applications that demand stable laser performance and compact designs.
Source: Semantic Scholar
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