Microscopeparts and functions

The depth of focus is greatest on the lowest power objective. Each time you switch to a higher power, the depth of focus is reduced. Therefore a smaller part of the specimen is in focus at higher power. Again, this makes it easier to find an object on low power, and then switch to higher power after it is in focus. A common exercise to demonstrate depth of focus involves laying three different colored threads one on top of the other. As the observer focuses down, first the top thread comes into focus, then the middle one, and finally the bottom one. On higer power objectives one may go out of focus as another comes into focus.

High power objectivemicroscopefunction

The field of view is largest on the lowest power objective. When you switch to a higher power, the field of view closes in towards the center. You will see more of an object on low power. Therefore, it is best to find an object on low power, center it, and then switch to the next higher power and repeat.

Aug 1, 2024 — The MTF is a tool for optical designers to quantify the overall imaging performance of a system in terms of resolution and contrast. Knowledge ...

Condensermicroscopefunction

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Stagemicroscopefunction

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Nosepiecemicroscopefunction

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They are used as frequency conversion crystals in laser manufacturing. They can be used as the second, third, and fourth frequency multiplier of Nd: YAG (neodymium-doped yttrium aluminum garnet) lasers.

by EP Goodwin · 2006 · Cited by 257 — Mach-Zehnder Interferometer ... Another common interferometer is the Mach-Zehnder, which is useful for testing optics in transmission in single pass. If the optic ...

Armmicroscopefunction

CrystalKDPKD*P Molecular FormulaKH2PO4KD2PO4 Transparency range180-1550nm200-2150nm NLO Coefficientd36=0.44pm/Vd36=0.40pm/V Refractive Index no=1.4938,ne=1.4599no=1.4948,ne=1.4554 Electro-optic Coefficient r41=8.8pm/Vr41=8.8pm/V r63=10.3pm/Vr63=25pm/V Symmetric42m42m Hygroscopicity HighHigh Density（g/cm3）2.3322.355 Longitudinal Half-wave VoltageUπ =7.65KV(λ=546nm)Uπ=2.98KV(λ=546nm) Damage Threshold >5GW/cm2>3GW/cm2 Extinction Ratio 30dB30dB

In addition, KDP crystals can also be used in laser-induced fusion engineering. Given the excellent characteristics of DKDP, it is mainly used in two applications:

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KDP crystals are mainly used as piezoelectric and electro-optical crystals to manufacture sonar, piezoelectric transducers, electro-optical modulators, optical switches, and other products. With the booming laser industry, the excellent nonlinear optical characteristics of KDP crystals have been valued.

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Whatiseyepieceinmicroscope

KDP and DKDP (KD*P) crystals have the advantages of a high damage resistance threshold, superior electro-optical coefficient, good environmental tolerance, compact design, and easy adjustment. They can manufacture low-cost and large-size finished nonlinear components for two-fold (SHG) and three-fold (THG) applications.

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Body tubemicroscopefunction

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When drawing what you see under the microscope, follow the format shown below. It is important to include a figure label and a subject title above the image. The species name (and common name if there is one) and the magnification at which you were viewing the object should be written below the image. All relevant parts of the drawing should be labelled on the right side of the image using straight lines. Lines should not cross. Drawings should be done in pencil, while labels should be in pen or typed. Remember that total magnification is determined by multiplying the ocular x objective.

by G Sluder · 2013 · Cited by 30 — All objectives are designed to be used with the specimen at a defined distance from the front lens element of the objective (the working distance) so that the ...

Dimensional Tolerance ±0.1mm Flatness <λ/8 @633nm Surface Finish 20/10 Parallelism <20" Perpendicularity <5' Angle Tolerance ±0.2° Effective ApertureThe central diameter > 90%

*** Don't hoard slides! You can only view one at a time, so that's all you should be holding. Return it before getting another, and if you break it, tell your instructor so that it can be properly cleaned up and replaced! ***

The compound microscope is a useful tool for magnifying objects up to as much as 1000 times their normal size. Using the microscope takes lots of practice. Follow the procedures below both to get the best results and to avoid damaging the equipment.

KDP & DKDP(KD*P) crystals are also known as potassium dihydrogen phosphate crystals and potassium deuterium phosphate crystals, with chemical formula KH2PO4 and KD2PO4. They are a comprehensive and relatively excellent electro-optical crystal product.

Aug 26, 2024 — In more technical terms, if you imagine looking toward the source of a plane wave, the electric field vector will rotate in a counterclockwise ...