多级标题：In What Wavelength Range Was Interferometry First Routinely Used?
I. Introduction
A. Background information on interferometry
B. Importance of interferometry in scientific research
II. Definition and principles of interferometry
A. Explanation of interferometry as a technique for measuring and analyzing waves
B. Introduction to the concept of interference
C. Overview of interferometers and their functioning
III. Historical development of interferometry
A. Early experiments and discoveries related to interference
B. Contributions of notable scientists in the field
C. Evolution of interferometry from a theoretical concept to a practical tool
IV. Wavelength range utilization in interferometry
A. Explanation of wavelength range concept and its significance in interferometry
B. Theoretical limitations and practical considerations regarding different wavelength ranges
C. Advantages and challenges of using specific wavelength ranges in interferometry
V. Routine use of interferometry in specific wavelength ranges
A. X-ray interferometry: exploration of the short-wavelength end of the electromagnetic spectrum
1. Explanation of X-ray interferometry principles and advancements
2. Examples of applications and discoveries made using X-ray interferometry
B. Radio interferometry: utilization of long-wavelength range for astronomy research
1. Overview of radio interferometric techniques and technologies
2. Significance of radio interferometry in the field of astronomy
C. Visible light and infrared interferometry: bridging the gap between short and long wavelengths
1. Applications and advancements in visible light and infrared interferometry
2. Benefits of utilizing these wavelength ranges in various scientific fields
VI. Conclusion
A. Recap of the importance and versatility of interferometry
B. Summary of the different wavelength ranges routinely used in interferometry
C. Expectations for future advancements and applications of interferometry in other wavelength ranges.
