This guide compares the two documented hair removal models on this site: the BBT PRO diode laser system and the 755nm Alexandrite plus 1064nm Nd:YAG system. The comparison is limited to figures their product detail pages actually give, and it refuses to invent a point where one side has no documented figure. That discipline makes the comparison shorter than a typical buying guide, but it also makes it checkable, which is the more useful property for a clinic buyer.
On wavelengths, the diode system covers 755nm, 808nm, and 1064nm in one platform, while the Alexandrite system covers 755nm and 1064nm. The diode system's three-wavelength coverage is a documented fact of the BBT PRO model, and it should not be generalized into a claim about diode lasers as a class or about other diode models the company lists. The Alexandrite system's two wavelengths are likewise facts of that model only. A buyer choosing between them should weigh wavelength coverage against the other documented differences, not treat wavelength count as a score on its own.
On energy and delivery, the Alexandrite system documents energy output of 100 joules at 755nm and 160 joules at 1064nm, a frequency of 1 to 4 hertz, a pulse width of 10 to 100 milliseconds, and optical fiber light delivery, with a spot-size note that reports two statements without merging them. The diode system documents handle power options of 1000W, 1200W, 1600W, and 2000W, a total power of 3500W, a frequency of 1 to 10 hertz, a pulse width of 10 to 400 milliseconds, and spot sizes of 14 by 33 millimeters and 14 by 22 millimeters. Those figures are not directly comparable as a single score, because the two systems describe their output differently, and a buyer should compare them through the specification sheets, not through a headline number.
On size, cooling, and setting, the diode system is the smaller and lighter machine at 70 kilograms with water, wind, TEC, and radiator cooling, while the Alexandrite system is 120 kilograms net with water, TEC, and fan cooling for the machine and air and cryogen cooling for the skin. Both are professional, non-portable clinic systems, and both require the installation space, power supply, and operator training that professional equipment implies. The diode system's second handle, a skin analyzer, is a further documented difference: it gives the diode platform an analysis function that the Alexandrite system does not document.
The choice between the two models therefore depends on the clinic's treatment mix, the wavelengths it needs most, the handle configuration it values, and the installation constraints of its treatment rooms. The inquiry guide lists the confirmation questions for either model, including the spot-size question for the Alexandrite system, the handle power option for the diode system, and the warranty, quantity, lead time, and certification questions that apply to both.
Related pages: Diode laser hair removal · Alexandrite + Nd:YAG laser · Wavelength guide