As the old and new years approach, the Spring Festival of 2009 is just around the corner, marking the beginning of the 39th anniversary of the Shanghai Laser Society. At this moment, all colleagues in the field of laser medicine are filled with gratitude. At the end of 2008, during a board meeting, each member expressed their commitment and vision for the future development of laser medicine, showing strong determination to work together.
Indeed, in the field of laser medicine, numerous advancements have been made globally, especially in the United States and Europe. New technologies, devices, and lasers continue to emerge, with significant progress in both clinical and aesthetic applications. These developments can be summarized into several key trends: First, there has been a surge in semiconductor lasers, such as 800nm, 810nm, 890nm, and 980nm wavelengths. Devices like battery-powered semiconductor dental lasers are compact, portable, and capable of performing various treatments, including soft tissue cutting, benign tumor resection, and root canal disinfection.
Second, all-solid-state and fully-closed cavity Q-switched lasers have gained popularity. For example, the KTP-532nm laser benefits from its solid-state design, offering a small size, stable performance, and lower cost, making it ideal for promoting photodynamic therapy in China. The 755nm alexandrite laser with a fully enclosed cavity improves stability, ensuring reliable treatment for pigmented lesions.
Third, multi-wavelength lasers are being continuously developed, such as 595nm and 1064nm lasers that use dual-wavelength sequential emission technology for treating vascular lesions. Fourth, non-stripping lattice lasers, such as 1320nm and 1440nm dual-wavelength infrared lasers, are also gaining traction.
Fifth, dot matrix lasers are becoming more popular, ranging from ultra-pulse COâ‚‚ to Er:YAG at 2940nm, offering a wide range of dynamic parameters. Lastly, laser technology is combining with other modalities like radio frequency, focused ultrasound, and plasma cold spray in medical and cosmetic devices. The scope of laser medicine is expanding, even incorporating light sources like LEDs, which suggests that the concept of laser medicine may soon evolve into broader photonics applications.
On the other hand, domestic research in this field lags behind. While China’s overall laser technology is not inferior—showing international leadership in defense, laser physics, and processing—medical lasers still face challenges. Therefore, it is crucial for Chinese researchers to collaborate across disciplines, study imported equipment, and focus on developing innovative medical lasers.
2009 marks the year of the global financial crisis, a time of challenges, but also an opportunity. It is a moment to seize opportunities, overcome difficulties, and prove our capabilities.
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