What type of laser has a wavelength of 400-1000 nm?

The type of laser that operates within the wavelength range of 400-1000 nm is known as Intense Pulsed Light (IPL). IPL is not a laser in the traditional sense but rather a broad spectrum light device that emits multiple wavelengths in a single pulse of light, making it effective for various dermatological procedures, including hair removal, skin rejuvenation, and treating pigmentation issues.

The reason IPL falls within this wavelength range is that it can emit light across the spectrum, from violet at around 400 nm to near-infrared at about 1000 nm. This broad output allows it to target a variety of skin conditions and hair types effectively, as different wavelengths penetrate the skin to different depths and can be absorbed by different chromophores (like melanin and hemoglobin).

Other listed devices, such as Nd:YAG lasers, CO2 lasers, and Excimer lasers, have specific wavelength ranges that do not encompass the full 400-1000 nm spectrum. For instance, Nd:YAG typically operates at 1064 nm, which is outside the lower end of the specified range, while CO2 lasers are primarily used at 10,600 nm. Excimer lasers are often used at specific wavelengths like 193 nm and 248