A laser system comprising: a first port for coupling with a first laser probe assembly; an additional port for coupling with an additional laser probe assembly; a port selector; a therapeutic laser source configured to direct a treatment laser beam to the port selector, the port selector configured to selectively direct the therapeutic laser beam to a first beam splitter and a second beam splitter; at least one aiming laser source (120,125) for directing an aiming laser beam to the first beam splitter and the second beam splitter; a diffractive optical element configured to receive the treatment laser beam and the aiming laser beam and to create a multi-spot laser pattern from the treatment laser beam and the aiming laser beam; an illumination system that emits substantially white light; a collimating lens that collimates the substantially white light received from the illumination system into an illumination beam; a condensing lens; and a multiplexing beam splitter arranged to receive the illumination beam and the multi-spot laser pattern from the DOE, the multiplexing beam splitter configured to reflect the multi-spot laser pattern towards the condensing lens and to transmit an illumination beam from the collimating lens towards the condensing lens, thereby multiplexing the multi-spot laser pattern and the illumination beam, wherein the first beam splitter directs a portion of the treatment laser beam and the aiming laser beam to the first port, wherein the second beam splitter directs portions of the treatment laser beam and the aiming laser beam to the DOE, and wherein the condensing lens focuses a multiplexed beam of the illumination beam and the multi-spot pattern onto an interface in the additional port. a first port for coupling with a first laser probe assembly; an additional port for coupling with an additional laser probe assembly; a port selector; a therapeutic laser source configured to direct a treatment laser beam to the port selector, the port selector configured to selectively direct the therapeutic laser beam to a first beam splitter and a second beam splitter; at least one aiming laser source (120,125) for directing an aiming laser beam to the first beam splitter and the second beam splitter; a diffractive optical element configured to receive the treatment laser beam and the aiming laser beam and to create a multi-spot laser pattern from the treatment laser beam and the aiming laser beam; an illumination system that emits substantially white light; a collimating lens that collimates the substantially white light received from the illumination system into an illumination beam; a condensing lens; and a multiplexing beam splitter arranged to receive the illumination beam and the multi-spot laser pattern from the DOE, the multiplexing beam splitter configured to reflect the multi-spot laser pattern towards the condensing lens and to transmit an illumination beam from the collimating lens towards the condensing lens, thereby multiplexing the multi-spot laser pattern and the illumination beam, wherein the first beam splitter directs a portion of the treatment laser beam and the aiming laser beam to the first port, wherein the second beam splitter directs portions of the treatment laser beam and the aiming laser beam to the DOE, and wherein the condensing lens focuses a multiplexed beam of the illumination beam and the multi-spot pattern onto an interface in the additional port.