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Certainly, sensing has become one of the most interesting and essential streams for the optical devices. Considering its widespread applications in the clinical and other areas, more and more companies and individuals are coming forward to research and develop new technologies in this sector.  This article discusses the broadband light source (BLS) modules, which are also known as SLD light source, the light source set, and its characteristics. Let us begin with the definition. What is a Broadband Light Source? The broadband light source is the device which is used for multi-wavelength test and measurement of wavelength-division-multiplexing components. These light sources use the amplified spontaneous emission of diode-pumped, erbium-doped fibers.  Broadband Light Source Set Most of the superluminescent diode light source sets are consist of two types of equipment, namely, A.         SLD Modules The superluminescent diode modul...

Optical Coherence Tomography (OCT) is a novel clinical technology that is widely used in ophthalmology and other medical fields. The technology provides two and three dimensional, cross-sectional, micron-scale images of biological tissues within optical scattering media. This technology has been used extensively for imaging tissue microstructure in various medical fields ranging from ophthalmology to gastroenterology. OCT primarily used two types of light sources for the imaging process- a) Femtosecond Lasers or b) Superluminescent Diodes (SLD). However, the high prices and difficult operation of Femtosecond lasers have throttled its widespread adoption in the medical applications. At the same time, it has ultimately paved the way for superluminescent diodes for optical coherence tomography in the clinical industry. Let us first understand what superluminescent diode is and what OCT is in brief. What Superluminescent Diode is? Wikipedia defined the superluminescent diode as-...

  From ancient times to the present day, mankind has continuously invented new technologies & tools for their comfort and progression. Be it fire, be it a wheel, be it electricity, be it a computer, be it internet, be it a mobile or the latest LiDAR laser technology. All of these inventions have made a significant contribution to mankind's evolution and, at the same time, have become the foundation stone for many other inventions as well. In this article, we have discussed how LiDAR laser is transforming the way we see the world.    There are countless applications of LiDAR (Light Detection and ranging) laser at present; however, in this article, we've covered the Top 4 applications. Let us understand each one in detail.   LiDAR Laser 1. Autonomous Vehicle Industry It is not exaggerated to say that autonomous vehicles are set to be one of the greatest inventions in mankind's history. The way leading companies worldwide are working on building autonomous ...

Several types of lasers have been invented in the last few decades to tackle the rising need for communication. One such laser is called the DFB laser.   DFB stands for Distributed Feedback . It is a type of narrow linewidth laser diode or an optical fibre laser where the grating generally happens along the cavity, and not just at the two ends.    The structure of the diode builds a one-dimensional interference grating, also known as Bragg scattering. Being single-frequency laser diodes, distributed feedback laser provides a narrow linewidth with good side mode suppression.    Unlike other conventional laser diodes, distributed feedback lasers do not use two mirrors to develop the optical cavity. Instead, in this narrow linewidth laser diode, grating acts as the wavelength selective element for at least one of the mirrors. It provides the feedback, which ultimately reflects light into the cavity to form the resonator.   Primarily, there are ...