SOUTHAMPTON, England--(BUSINESS WIRE)--SPI Lasers, a leading designer and manufacturer of Fiber Lasers announces the acquisition of JK Lasers with effect from April 15, 2015 to enhance its high power Fiber Laser portfolio. With almost 100 employees and annual sales of 17.6 million euros, JK Lasers is one of the world's leading manufacturers of high-power Fiber Lasers for industrial use. JK Lasers, until now a member of the GSI Group, has more than 40 years of experience in industrial Laser deve