 VANCOUVER, Wash.--BUSINESS WIRE--nLIGHT, Inc. Nasdaq:LASR today announced that it has commenced a proposed underwritten public offering of its common stock pursuant to its existing shelf registration statement. In connection with the proposed offering, nLIGHT expects to grant the underwriters a 30-day option to purchase up to an additional 15 of the shares of common stock offered in the offering, at the public offering price, less the underwriting discounts and commissions. nLIGHT intends 