Jin Chang

Title: Innovations by Jin Chang: A Look at His Tunable Optical Filter Patent

Introduction

Jin Chang, an inventor based in Wuhan, China, has made significant strides in the field of optics with his innovative designs. With a keen focus on enhancing optical technologies, Chang holds a patent that showcases his expertise and creativity in the realm of optical filters.

Latest Patents

Chang's notable patent is for a thin film tunable optical filter. This invention includes an optical mechanism that separates an input optical signal into both a tunable drop optical signal and an output optical signal. Remarkably, the output optical signal journeys back along the same path as the input. The design features an optical circulator, a pair of polarization beam splitters, half-wave plates, an optical thin-film filter, a rotatable mirror, and a spatially fixed mirror. By making angular adjustments to the optical thin-film filter and the rotatable mirror, which are rotated at the same angle, specific optical wavelengths are selected. Additionally, the patent provides a method for spectrally splitting and spatially separating the input optical signal into both an output and a drop optical signal, emphasizing the practical applications of his invention.

Career Highlights

Jin Chang is currently associated with Accelink Technologies Co., Ltd., where he pursues his passion for optical technologies. His work emphasizes innovation and enhances the understanding of signal processing within optical systems. This pivotal role allows him to collaborate and contribute to advancements in the field.

Collaborations

Throughout his career, Chang has worked closely with talented coworkers, including Wen Liu and Kan Yu. These collaborations highlight the importance of teamwork and shared knowledge in driving pioneering inventions within the optical field.

Conclusion

Jin Chang's invention of the thin film tunable optical filter represents a significant contribution to optics and signal processing. His work not only demonstrates his technical skills but also sets the stage for future innovations in optical technologies. As he continues his journey at Accelink Technologies Co., Ltd., the impact of his inventions is sure to resonate in the industry for years to come.