The WDHQ-2808 is a wide bore lamp configured to disinfect a common adult shoe size sole. The lamp bore and power supply is optimized for high peak current providing for a full spectrum light distribution from UVA to UVC. The unique quartz glass door handle shape allows for practical insertion into a trough anodized reflector. The flashlamp power emits up to 2000W per flash and hertz rate can be varied. Treatment time is no longer than 2 seconds.