A dermatological treatment device includes a device body； a laser diode bar configured to generate laser radiation for delivery to a target area of tissue, the laser diode bar having a fill factor of at least 50%； a power source； and control electronics configured to provide power from the power source to the laser diode bar such that the laser diode bar generates a laser beam； wherein the device is configured for delivering the generated laser beam to the target area of tissue to provide a dermatological treatment.
