Contents
Source: MDPI
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 range of frequency quadrupling devices based on PPMgO:LN or PPMgO:LT crystals. These devices are available for pump wavelengths spanning from 1420 nm to 5000 nm. The product lineup includes bare crystals and plug-and-play fibered mixers, catering to different conversion configurations.
Shalom EO
Shalom EO provides a diverse selection of nonlinear optical crystals for frequency quadrupling applications. Their offerings include a variety of NLO crystals such as BBO, CLBO, KDP, KTA, PPLN waveguides, and more. They offer both off-the-shelf and customized products in various forms like ingots, blanks, and polished elements.
HarmoniXX FHG
The HarmoniXX FHG is a frequency converter designed for quadrupling the frequency of ultrashort pulse lasers. Known for its user-friendliness and compact design, the device ensures high conversion efficiency across a range of pulse durations. It is optimized for minimal pulse broadening and maintains a good spatial beam profile.
TOPTICA
TOPTICA specializes in providing frequency-quadrupled continuous-wave diode and fiber lasers. Their offerings are based on cascaded frequency-doubling stages, offering wavelengths from 190 nm to 390 nm with tuning capabilities. The Super-UV technology ensures stable operation and higher powers at deep ultraviolet (DUV) wavelengths.
EKSMA Optics
EKSMA Optics offers a wide selection of nonlinear materials suitable for frequency quadrupling applications. BBO and KDP crystals are among the popular choices, along with custom CLBO crystals for enhanced efficiency. Their products cater to diverse laser wavelengths and application requirements.
Source: Semantic Scholar
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