Deviser Instruments is a Chinese manufacturer of measurement and analysis instruments specializing in the mobile, EMC, FTTH, and laser applications markets. For decades, communication service providers worldwide have relied on Deviser's products to offer their customers top-tier services. Companies in the optoelectronics industry also successfully utilize Deviser's measurement and analysis equipment to achieve precise and reliable results. The company has built an excellent reputation for its high quality and reliability.

At the Laser World of Photonics, Deviser presents high-precision analysis and measurement technologies, including optical spectrum analyzers, monochromators, and test and characterization systems for laser diodes.