Laser therapy for activation of stem cells; Lasers for medical use; Laser therapy devices; Medical devices, namely, laser devices for providing amplitude modulated pulses of laser light for the activation of stem cells; Medical devices, namely, laser devices for providing amplitude modulated pulses of laser light for tissue regeneration, tissue reconstitution, and tissue repair; Medical devices, namely, laser devices for providing amplitude modulated pulses of laser light for treatment of medical conditions; medical devices, namely, a generator for creating sparse nodes of interference in a laser beam