Company Filing History:
6 out of 29 
1 out of 832,843 Years Active: 1997-2008
Title: **The Innovative Mind of Jacob Meyer Hammer: A Look at His Contributions to Laser Technology**
Introduction
Jacob Meyer Hammer, an accomplished inventor based in Annapolis, MD, has made significant strides in the field of laser technology. With a remarkable portfolio that boasts seven patents, Hammer’s work has contributed to advancements that have potential applications in various technological fields.
Latest Patents
Among his latest patents, Jacob Meyer Hammer has developed groundbreaking technologies such as:
1. **Grating-outcoupled surface-emitting lasers**: This innovation involves laser diodes that utilize an outcoupling grating situated between two distributed Bragg reflectors. The design incorporates gain regions located between the reflector gratings, allowing efficient pumping of the active region. The unique outcoupling grating facilitates light emission from the waveguide at a normal angle, contingent upon the grating spacings being equivalent to an integer number of wavelengths of light. When this condition is not met, light may exit the cavity at an angle off the normal, showcasing a sophisticated approach to laser design.
2. **Ferromagnetic-semiconductor composite isolator and method**: This patent presents an innovative optical isolator, particularly a magnetic-semiconductor composite optical isolator. The device features a semiconductor waveguide and a magnetic-semiconductor composite layer. The waveguide is designed to enable positive propagation of light waves from one direction while allowing control over negative propagation through the composite layer, thus enhancing the efficiency of light transmission in semiconductor lasers.
Career Highlights
Jacob Meyer Hammer has worked with notable organizations, such as Photodigm Inc., where he has honed his skills and contributed to important projects within the realm of laser technology. His inventive work has continually advanced the understanding and application of optical technologies.
Collaborations
Throughout his career, Hammer has collaborated with esteemed professionals in the field, including Gary Alan Evans and Jay Bernard Kirk. These partnerships have facilitated a sharing of knowledge and innovation, further enhancing the quality of their collective output.
Conclusion
In conclusion, Jacob Meyer Hammer stands out as a significant figure in the development of cutting-edge laser technologies. With his inventive spirit and collaboration with industry experts, he has paved the way for future advancements that will likely impact various sectors reliant on optical technologies. His portfolio of patents highlights an ongoing dedication to innovation that continues to inspire the scientific community.