Rofea Optoelectronics Co., Ltd. is a renowned manufacturer, supplier, and factory in China that provides innovative optical products. One of our top products is the Optical Intensity Modulator 640nm, which is designed to shape the output light of an optical fiber by modulating the intensity of the light signal. Our product is equipped with a high-quality 640nm laser diode that provides excellent performance in modulating the optical signals. The Optical Intensity Modulator has features such as high speed, low power consumption, and compact design that makes it ideal for a range of applications such as optical communication, fiber optic sensing, and laser cooling. Our expert design team has ensured top-notch quality standards, making this product a reliable and durable choice for all your optical needs. We take pride in our commitment to delivering excellent customer service, top-quality products, and competitive prices. Choose Rofea Optoelectronics Co., Ltd. as your trusted supplier for all your optical needs.