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1.
Photodiodes used as fiber optic directors are
2.
What type of fiber has the highest modal dispersion?
3.
Laser light is ______ emission.
4.
A dielectric waveguide for the propagation of electromagnetic energy at light frequencies
5.
Is a non-coherent light source foe optical communications system.
6.
Which type of laser is the simplest to modulate directly by changing its excitation?
7.
Which laser emits light in the visible range 400 to 700 nm?
8.
Which is the proper measurement of average power emitted by a pulsed laser?
9.
What is the photon energy for an infrared wave with frequency of 10^12 Hz?
10.
A positive lens with a focal length of 10 cm forms a real image of an object 20 cm away from the lens. How far is the real image from the lens?