Laser Diode Characteristics Viva

March 13, 2018

1experimently find out whether the given diode is made of germanium or silicon. A laser diode similar to a light emitting diode led is comprised of a junction between two semiconductors one positive one negative.

Physics Lab 15phyl 17 27 Viva Questions

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Laser Diode Definition Characteristics Types Applications

Zener diode is a p n junction diode specially designed for operation in the breakdown region in zener diode lab viva questions and answers pdf free download.

Laser diode characteristics viva. Dielectric constant measurement of dielectric constant. These include generic diode schotty diode shockley diode constant current diode zener diode light emitting diode photodiode tunnel diode varactor vacuum tube laser diode pin diode peltier diode gunn diode and so onon a special case this article discuss about gunn. Viva concept technology co ltd is specialized in manufacturing ipl shr nd yag q switch laser co2 laser diode laser and slimming device over 30 years.

Laser chip structure can type. Laser diode threshold the above figure shows a laser diodes output optical power versus injected el buy fiber optic light source from us. This diode either made by silicon or germanium which has atomic number z14 or z32 respectively.

Diffraction measurement of wavelength of laser source using diffraction grating. Viva concept technology co ltd is specialized in manufacturing ipl shr nd yag q switch laser co2 laser diode laser and slimming device over 30 years. Laser diodes ld are very commonly used in fiber optic communication systems and their characteristics are of primary importance.

This laser diode specification is used to determine the current required to obtain a particular level of light output at a given current. To draw the characteristics means behavior of current in forward and reverse bias of a semiconductor junction diode. This junction is known as a p n junction.

Zener diode experiment viva questions with answers characteristics mcqs interview questions. It plots the drive current supplied against the light output. Conduct the experiment for obtaining the forward bias vi characteristics of the given diodeif the cut in voltage is 3vit is germanium diodeif it is 6diode is made of silicon.

The optical category of table 1 generally falls into the realm of interferom etry while the dynamic category of table 1 represents an involved and highly interactive measuring diode laser characteristics diode lasers approach ubiquity but they still can. The diodes are classified into different types based on their working principles and characteristics. Photo diode characteristics study of iv characteristics in reverse bias and variation of photocurrent as a function of reverse voltage and intensity.

One of the most commonly used and important laser diode specifications or characteristics is the li curve. Electrical spatial and spectral characteristics of diode lasers.