OSA: Measurement of Transmission Characteristics of Optical Filters
Applicable model*: AQ6370 series/AQ6360
Characterization of optical filters can be done using an optical spectrum analyzer (OSA) and a broadband light source. The transmission characteristic of the optical filter is obtained as the difference between the spectrum of the broadband light source measured without the DUT (optical filter) and the transmitted light spectrum of the optical filter in case of LOG scale.
The measurement light source is selected from wide band light sources such as LED, halogen lamp, ASE, SLD, SC, etc. according to the required optical power and wavelength range.
The applicable models have a free space structure inside the optical input port, and can use large-diameter optical fibers with a core diameter of up to 800 µm. The large fiber delivers more light to the OSA, helping to reduce noise on the measurement waveform and reduce measurement time. However, since the actual minimum wavelength resolution gets lower, it is effective for measurements where the optical power is low and high resolution is not required.
The smaller the numerical aperture (NA) of the optical fiber and the shorter the optical path length from the collimator to the optical coupler, the smaller the loss, which is advantageous for measurement, but high precision adjustment of angle and optical axis is required. Especially the adjustment of the optical coupler side becomes difficult. Therefore, when the optical power is high, it is easier to adjust it by receiving light directly with the ferrule of the optical fiber.
相关产品和解决方案
AQ6370E Telecom 600 - 1700 nm
- AQ6370E Optical Spectrum Analyzer
- Popular TELECOM wavelength Range of 600nm to1700nm
- Ideal model for Telecommunications applications for single-mode and multi-mode optics
AQ6373E Visible Wavelength 350 - 1200 nm
- The high-performance optical spectrum analyzer optimized for visible laser measurement
- 3 models line up for various applications [Standard, High resolution, Limited]
- Ideal for the lasers of industrial, bio and medical
AQ6374E Wide Wavelength Range 350 - 1750 nm
- Wide range optical spectrum analyzer covering from visible light to communications wavelength
- Wide wavelength range: 350 to 1750 nm
- Ideal for various applications including fiber
AQ6375E Long Wavelength 1200 to 2400 nm and 1000 to 2500 nm
High Performance LONG WAVELENGTH
The AQ6375E covers not only telecommunication wavelengths, but also the SWIR region which is often used for environmental sensing and medical applications.
・Lineup of 3 models [Standard, Extended and Limited]
・Covers wavelengths
1200 to 2400 nm [Standard, and Limited]
1000 to 2500 nm [Extended ]
AQ6376E Three Micron 1500 - 3400 nm
MWIR WAVELENGTH with internal gas purge and cut filter
The AQ6376E is the latest version of our bench-top optical spectrum analyzer extending the wavelength coverage well beyond the NIR range of our previous models into the MWIR region from 1500 to 3400 nm.
Popular applications include the detection of gases such as carbon oxides (COx), nitrogen oxides (NOx), and hydrocarbon gas (CxHy) for environmental studies.
光谱分析仪 AQ6370C
AQ6370C支持600nm至1700nm最具代表性的电信波长范围，使其成为适用于单模和多模光纤电信应用的理想机型。
2010年的新增功能涵盖了该仪器的高性能版和标准性能版。
短波长光谱分析仪 AQ6373
AQ6373提供的350nm到1200nm专用短波长量程可以精确测量380nm到780nm的可见光谱，因此适用于生物科学和其它领域。此型号产品还是测量1064nm Nd:YAG, DPSS激光源的常用工具。
短波长光谱分析仪 AQ6373B
AQ6373B提供的350nm到1200nm专用短波长量程可以精确测量380nm到780nm的可见光谱，因此适用于生物科学和其它领域。此型号产品还是测量1064nm Nd:YAG, DPSS激光源的常用工具。
长波长光谱分析仪 AQ6375B
AQ6375B是一款波长可覆盖2μm以上范围的长波长台式光谱分析仪。 它专为一直苦于无长波长测量仪器可用的工程师和研究人员而设计， 在实现了高精度、 高分辨率和高灵敏度测量的同时， 可以提供全面的分析功能， 从而可省去校准步骤和开发外部分析软件的麻烦。
长波长光谱分析仪 AQ6376
AQ6376是波长可覆盖2μm以上范围的长波长台式光谱分析仪， 专为一直苦于无长波长测量仪器可用的工程师和研究人员而设计。 AQ6376在实现了高精度、 高分辨率和高灵敏度测量的同时， 还可以提供全面的分析功能， 从而可省去校准步骤和开发外部分析软件的麻烦。
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