A multivibrator circuit employing field effect transistors which operates with a high oscillation
frequency and low power consumption comprises four series connections. The first series …

A low facet reflectivity laser diode is able to oscillate in multilongitudinal modes, and has a
high relative intensity noise (RIN) and reduces mode hopping noise. By introducing the …

The transmission characteristics of digital systems comprised of 1.3‐μm zero dispersion,
single‐mode fibers (1.3‐μm SMF) and 0.78‐μm band laser diodes (LD) are investigated …

For the purpose of utilizing changes in speckle patterns to be observed in an output light
spot from an optical fiber for sensing applications, certain load was applied onto an optical …

Measured and calculated data on the tradeoffs between modal noise reduction and
intermodulation penalty are presented. The authors quantify how a high modulation …

Phase unwrapping has been an important way to construct a 3‐dimensional image of the
object in digital holographic microscopy. However, there is still a huge challenge currently …

The principle of optical eigenfunction is used in the analysis of speckle reduction in laser
projection display. When the moving diffuser is used in the speckle reduction approach, the …

Optical fiber transmission systems are applied widely in various commercial areas. In order
to support these systems, it is necessary to accurately measure the fibers and fiber systems …

The relation between laser linewidth and modal noise was studied in a pulse frequency
modulation transmission system through employing a distributed feedback laser which …

In laser display system, speckle noise produced by laser coherence has a serious effect on
image. The condition for a diffuser to produce the maximum speckle reduction with the …