在532 nm的化和氧化波导的比较自发光分析
Optics express
|January 29, 2025
概括
氧化波导显示没有可观察到的自光,与化不同. 这一发现对于开发生物传感器和量子设备等先进可见光技术至关重要.
科学领域:
- 材料科学 材料科学 材料科学
- 光学工程是指光学工程.
- 光子学 是一个光子学.
背景情况:
- 低压化学蒸汽沉积 (LPCVD) 化是光学波导的常见材料.
- 光学材料中的自发光可以限制设备的性能,特别是在强光下.
- 氧化是一种具有低损耗光学应用潜力的替代材料.
研究的目的:
- 量化比较化和氧化波导的自光.
- 评估氧化适用于需要最小背景噪声的应用.
- 评估这些材料在可见光技术中的潜力.
主要方法:
- 制造低压化学蒸汽沉积 (LPCVD) 化和喷氧化波导的石化波导.
- 在波长为532 nm的波导自光的定量表征.
- 测量自身光度,并比较两种材料,考虑拉曼散射作为灵敏度极限.
主要成果:
- 在氧化波导中没有检测到可观察到的自光.
- 坦坦氧化波导的自发光发现比化波导低600倍以上.
- 实验灵敏度受到了光的拉曼散射到检测频段的限制.
结论:
- 氧化是光学波导的有希望的材料,与化相比,其自发光明显较低.
- 氧化波导中缺少自身光使得它们非常适合用于需要强光送和低背景噪声的可见技术.
- 这些发现支持在开发先进的生物传感器和量子设备时使用氧化.
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