Source: optoelectronics.eecs.berkeley.edu Understanding Photonic Crystals What are Photonic Crystals? Photonic crystals are optical materials with a periodic nanostructure that alters the refractive index at the scale of the optical wavelength. These structures can create unique optical properties, such as complete photonic band gaps, which are crucial for various applications in photonics. Analogy with Electrons in […]
Source: MDPI Understanding Composite Laser Crystals What are Composite Laser Crystals? Composite laser crystals, also known as hybrid laser crystals, are created by combining different parts of laser crystals. This combination can involve parts with and without a laser-active dopant or with varying dopant concentrations. The aim is to achieve specific advantages in laser design
Composite Laser Crystals Read More »
Source: MDPI The Fascinating World of Rare-earth-doped Tungstate Crystals Tungstate Crystal Materials Rare-earth-doped tungstate crystals, such as ytterbium-doped monoclinic double tungstates Yb:KGW and Yb:KYW, have gained popularity in the development of solid-state lasers. These crystals are used in a variety of lasers, including tunable lasers and femtosecond lasers. Other rare earth dopants like neodymium, erbium,
Source: MDPI Blog Post The World of Frequency Quadrupling Devices Introduction Frequency quadrupling devices play a crucial role in various applications, enabling the conversion of laser wavelengths to higher frequencies. In this blog post, we will explore the key features and offerings of some prominent suppliers in the market. HC Photonics HC Photonics offers a
Frequency Quadrupling Read More »
Source: Nature The Advantages of Ceramic Laser Gain Media Introduction Ceramic laser gain media have gained popularity in the field of solid-state lasers due to their unique properties and advantages over traditional single crystals. This article delves into the benefits of using ceramic laser gain media in laser technology. Advantages of Ceramic Laser Gain Media
Ceramic Laser Gain Media Read More »
Source: Nature Understanding Laser Crystals The World of Laser Crystals Introduction Laser crystals play a crucial role in various laser systems, enabling the generation of coherent and powerful laser beams across different wavelengths. Let’s explore some common types of laser crystals and their applications. Neodymium-Doped Yttrium Aluminum Garnet (Nd:YAG) Nd:YAG is a popular laser crystal
Doped Insulator Lasers Read More »
Source: TLB Understanding Divided-Pulse Amplification for Ultrashort Pulses Introduction Divided-pulse amplification is a technique used to address the issue of excessive nonlinear phase shifts in amplifiers for ultrashort pulses. These phase shifts can lead to spectral broadening, pulse distortion, or even damage to the amplifier due to the high peak power of the pulses. Principle
Divided-Pulse Amplification Read More »
Source: 3photon: crystals Optical Crystal Ovens: Temperature Control and Considerations Reasons for Operating Optical Crystals in Ovens Operating optical crystals in ovens at elevated and stable temperatures is essential for various reasons. Nonlinear crystals require specific temperature conditions for processes like frequency doubling. Hygroscopic materials such as BBO can attract moisture at room temperature, affecting
Source: Wikipedia Understanding Nonlinear Optical Crystals Introduction Optical crystals with nonlinear properties play a crucial role in various applications such as frequency conversion, electro-optic modulation, and laser gain media. These crystals exhibit unique optical nonlinearities that can be harnessed for different purposes. Properties of Nonlinear Crystals Nonlinear crystals are typically artificially created and possess properties
Nonlinear Crystal Materials Read More »
Source: FLIR Laser Crystals in Solid-State Lasers Laser Crystals in Solid-State Lasers Introduction Laser crystals are essential components used as gain media in solid-state lasers. These optical crystals are typically doped with rare earth or transition metal ions to amplify light through stimulated emission. Common Laser-active Dopants Various rare earth ions such as neodymium, ytterbium,
