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  • laser crystal Selection Guide, how to choose the most suitable crystal for your application?

    Optics

    Guidelines on picking the suitable crystalContact Us | Product Catalogue | Technical Specialist: Majid (MathewPF@Simtrum.com)Looking for a unique or small quanitiy of crystals? We provide limited sourcing services and arrangements for orders without MOQ:Contact us.Factors to cons...

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  • Jablonski Energy Diagram

    Light Analysis

    Jablonski Energy DiagramAbove bandgap photoexcitation of semiconductors generates electron-hole pairs. Depending on their binding energy, these can be directly formed as free electrons in conduction band and holes in valence band (the case of most bulk inorganic semiconductors); ...

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  • Luminescence

    Light Analysis

    Figure 1 shows the Jablonski diagram of singlet, triplet exciton states with a few vibrational sides. Light absorption with energy above the bandgap excites electrons from lower to higher energy levels. The excited charges tend to quickly relax back down to its lowest vibrational...

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  • Concise Optics

    Optics

    Geometric Optics | SerialAs electromagnetic waves, the properties of light can be described by many physical quantities, such as the amplitude, frequency, phase, and propagation constant of the electric field. The unit of the electric field amplitude is in volts/meter, which indi...

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  • 7 Types of Cutting-Edge Technology of Fiber Laser, How Many Do You Know?

    Lasers

    Fiber lasers were born in the 1960s. With the development of glass fiber materials, the maturation of high-power fiber optic devices, and the commercialization of high-brightness and high-power semiconductor pumping sources, fiber laser technology has been developed rapidly. Nowa...

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  • Understand how polarizer works (polarized optical element)

    Optics

    Polarization of lightPolarization: Asymmetrical directions of vibration and propagation.Transverse wavescan oscillate in different directions because only could the transverse waves polarize. The electric field and the magnetic field of the electromagnetic wave are perpendicular ...

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  • Determination of Optical Properties of Corner Cubes

    Optics

    ZYGO Fizeau interferometerDetermination of optical properties of corner cubesPyramid, also known as (retroreflective mirror), is composed of three perpendicular planes which are perpendicular to each other. Regardless of the incident angle, the incident light is totally reflected...

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  • Polarization Splitting and Energy Splitting, can you distinguish clearly?

    Optics

    With the advancement of science and technology, more and more applications of laser technology are involved in basic research in the fields of biology, medicine, chemistry, and experimental method. However, in practice, the difference between the spectroscopic effect and the appl...

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  • Working Principle and Debugging Skills for Pockels Cell

    Optical Systems

    It is well known that after a non-centrosymmetric non-linear birefringent crystal (or optical medium) is applied with a directed electric field, its birefringent optical properties will change with the modulation of the electric field. To remember the famous German scientist Fri...

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  • Design and Debugging and Optical Climbing systems

    Optics

    Abstract: In a common optical path structure, the optical path is often restricted to propagate in the plane, and the optical height (the distance between the axis of the optical path and the optical platform) is generally a certain value. For some more complex optical paths, due...

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  • Optical Lens Tutorial - the different usage of an optical lens

    Optics

    Abstract: The lens is the most commonly used optical element besides the plane mirror. As a transmissive element, its main function is to change the focused (divergent) state of the light beam and then to achieve imaging or beam reduction (expansion). This article focuses on the ...

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  • Design and Debugging of Laser Beam Expansion System

    Optical Systems

    In the field of laser technology, the spatial size conversion of the laser beam is one of the most conventional operations. If the collimation of the beam is not considered, a single lens can be used to focus and diverge the beam. If you want to get a nearly collimated laser beam...

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  • Different types of Polarizer and how to choose the right Polarizer

    Optics

    In the optical experiment, Polarizer plays a very important role. In the field of traditional laser amplification, Polarizer can be used to form an optical isolation system with a Faraday rotator and can also be used to form an electro-optic switch of a solid-state laser with an ...

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  • Reflector Adjustment Skills - How to use two points to determine a straight line

    Optics

    The focus of this article is the challenges faced with beam alignment. Due to the Covid-19 circuit breaker, weve spent some time out of the lab. As we return back to work, were introducing a tutorial network and online resource for potential students, researchers and lab staff.Ta...

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