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What are the main performance indicators of fiber optic spectrometers?
The main performance indicators of a fiber optic spectrometer are the criteria for evaluating its performance. These indicators can be assessed from multiple aspects. Here are some key performance indicators: 1. Spectral Coverage Range The wavelength range that a spectro...Read more -
Process Monitoring of Plasma-Enhanced Chemical Vapor Deposition (PECVD) Technology
Plasma-Enhanced Chemical Vapor Deposition (PECVD) is a thin-film growth technology that operates at lower temperatures by utilizing plasma. In PECVD, reactive gases are ionized under the influence of plasma, producing ions, electrons, and excited molecules. These active ...Read more -
Applications of Plasma Etching Process and Endpoint Monitoring
1. Background Plasma etching is a widely used dry etching technology in semiconductor manufacturing and other micro/nano processing fields. It utilizes high-energy ions and radicals in the plasma to physically bombard and chemically react with the material surface, achi...Read more -
Fiber optic spectrometer tests the UV resistance of sunscreen
In summer, you must take sun protection measures when traveling. Strong ultraviolet rays can cause certain damage to the skin. Sunscreen can reduce the damage of ultraviolet rays to the skin. Sun Protection Factor (SPF) of current sunscreen cosmetics is mainly tested by ...Read more -
What are fiber attenuators used for?
1. Background Fiber optic attenuators emerged with the development of the optical communication industry and are a crucial type of passive fiber optic device. As the loss of optical components such as fiber cables and connectors continues to decrease, the actual attenuat...Read more -
What does a cosine corrector do?
1. Principle The principle of a cosine corrector is to correct image data using algorithms or physical methods to reduce the impact of the observation angle on reflectance, thereby improving the accuracy of the image data. Based on the relationship between the spectral r...Read more -
What is a multi-mode fiber?
Multimode Fiber is a type of optical fiber communication transmission medium that allows light signals to be transmitted inside the fiber in multiple modes. Below is an introduction to the classification, numerical aperture, modes, and methods for measuring transmittance...Read more -
Application of Fiber Optic Spectrometers in Gemstone Identification
1. Application Background With the continuous expansion of the gemstone market and the increasing demands of consumers for gemstone quality, rapid, accurate, and non-destructive gemstone detection methods have become particularly important. As an advanced optical analysi...Read more -
Application of Field Spectrometers in Water Environment Monitoring
The primary mechanism for using spectral technology to monitor water environment quality is that polluted water bodies have spectral characteristics that distinguish them from clean water bodies. These spectral characteristics are reflected in their absorption or reflect...Read more -
Application of Near-Infrared Spectrometers in Measuring Blood Oxygen Levels
Blood oxygen saturation (SpO2), as the name suggests, refers to the oxygen concentration in the blood in the peripheral arteries. It is another key physiological parameter reflecting the respiratory and circulatory functions of the human body, following heart rate, blood...Read more -
What Is Stray Light and How Does It Work?
The term “stray light” in a spectrometer refers to the presence of non-target wavelengths of light during spectral measurements, in addition to the intended spectral signal. These stray light sources can originate from various factors and have a significant impact on the measurement p...Read more -
What are the factors to consider when selecting fiber optic cable?
When choosing a suitable optical fiber for a fiber optic spectrometer, several key factors need to be considered to ensure the accuracy and reliability of spectral measurements. The following are some of the main selection points: 1. Fiber Parameters ● Fiber core diameter (core diameter) The core...Read more