NASA Tech Briefs - January 2014 - Vol. 38 No. 1

Overview

The January 2014 issue of Photonics Tech Briefs, a supplement to NASA Tech Briefs, presents a collection of innovative technologies and advancements in the field of photonics. This edition highlights various applications and developments that are shaping the future of engineering and technology, particularly in aerospace and consumer electronics.

Key Highlights:

1. Photonic Laser Thrusters for Spacecraft Maneuvering: This article discusses the development of photonic laser thrusters, which utilize light for propulsion. These thrusters offer a promising alternative to traditional chemical propulsion systems, potentially allowing for more efficient spacecraft maneuvering and longer missions in space.

2. Silicon vs. Gallium Arsenide in Photovoltaics: A comparative analysis of silicon and gallium arsenide as photovoltaic materials is presented. The article examines the efficiency, cost, and performance of both materials in solar energy applications, providing insights into which material may be more suitable for specific applications in the renewable energy sector.

3. V-Assembly Dual-Head Efficiency Resonator (VADER) Laser Transmitter: The VADER laser transmitter is introduced as a cutting-edge technology designed to enhance laser communication systems. This dual-head resonator aims to improve efficiency and performance in various applications, including telecommunications and remote sensing.

4. Twin Head Efficient Oscillator Development for ACE Multi-Beam Lidar and 3D-Winds: This feature covers the development of a twin-head efficient oscillator for the Atmospheric Science and Climate Experiment (ACE). The oscillator is designed to enhance the capabilities of multi-beam lidar systems, which are essential for studying atmospheric conditions and wind patterns.

5. Planetary Polarization Nephelometer: The article discusses a new instrument called the planetary polarization nephelometer, which is designed for remote sensing of atmospheric particles. This device can provide valuable data on the composition and behavior of aerosols, contributing to our understanding of climate change and air quality.

6. GaSb-Based Diode Lasers for Remote Detection of Carbon Dioxide: This section highlights the development of gallium antimonide (GaSb)-based diode lasers that are capable of detecting carbon dioxide levels from a distance. These lasers have significant implications for environmental monitoring and climate research, enabling more accurate assessments of greenhouse gas emissions.

7. Optical Tunable-Based Transmitter for Multiple High-Frequency Bands: The optical tunable transmitter is introduced as a versatile solution for communication systems that require operation across multiple high-frequency bands. This technology is crucial for enhancing data transmission rates and improving overall communication efficiency.

8. High-Repetition-Rate Seeded Optical Fiber Amplifier (SOFiA) for the LIST Mission: The SOFiA project is discussed, focusing on a high-repetition-rate seeded optical fiber amplifier designed for the Laser Interferometer Space Antenna (LISA) mission. This technology aims to improve the sensitivity and performance of gravitational wave detection in space.

9. Product of the Month: Miniature Motorized Zoom Lens for Underwater Welding: A notable innovation featured in this issue is a miniature motorized zoom lens designed to enhance the capabilities of remotely operated vehicles (ROVs) used in underwater welding. This technology addresses challenges such as poor visibility and variable joint quality, making underwater repairs more efficient and reliable.

Additional Features:

• New Products: The magazine includes a section dedicated to new products in the photonics industry, showcasing the latest advancements and tools available to engineers and researchers.
• Industry Insights: Throughout the issue, there are insights into current trends and future directions in photonics, emphasizing the importance of this field in various applications, from aerospace to renewable energy.

Conclusion:

The January 2014 issue of Photonics Tech Briefs serves as a valuable resource for engineers, researchers, and industry professionals interested in the latest developments in photonics technology. With a focus on innovative solutions and practical applications, this edition highlights the critical role of photonics in advancing technology and addressing global challenges. From space exploration to environmental monitoring, the advancements presented in this issue underscore the transformative potential of photonics in shaping the future of various industries.