The GRIN-rod lens can produce a collimated output beam with a divergent angle αof between _____________ from a light source situated on, or near to, the opposite lens face.

Related MCQs

• The fiber is positioned at the ________ of the lens in order to obtain a collimated beam and to minimize lens-to-lens longitudinal misalignment effects.
• Which of the following factors does not cause divergence of the collimated beam from a GRIN-rod lens?
• Sapphire ball lens expanded beam design is successful than spherical lens coupled design. State whether the given statement is true or false.
• Lens-coupled expanded beam connectors exhibit average losses of _________ in case of single mode and graded index fibers.
• The ratio of speed of light in air to the speed of light in another medium is called as_________
• The expanded beam connectors use ____________ for beam expansion and reduction.
• Light incident on fibers of angles________the acceptance angle do not propagate into the fiber
• . When light is described as an electromagnetic wave, it consists of a periodically varying electric E and magnetic field H which are oriented at an angle
• The phenomenon which occurs when an incident wave strikes an interface at an angle greater than the critical angle with respect to the normal to the surface is called as
• Longitudinal modes contribute only a single spot of light to the laser output. State whether the given statement is true or false.