LathamA Latham-based fiber optics equipment provider is crediting the recent federal corporate tax cut in its decision to give its workers raises and hire up to 20 new workers this yhear.Integra Optics currently employs about 80 people in the Capital Region and elsewhere in the U.S.The raises and expected hiring are based on increased company profits from heightened production, and savings from the new federal tax plan signed into law at the end of 2017, said company CEO David Prescott.