Laser radar system

CS Naiman, SD Pompian - US Patent 3,676,003, 1972 - Google Patents
Abstract AN IMPROVED LASER RADAR SYSTEM COMPRISES A VARIABLE PULSE
LASER TRANSMITTER A PORTION OF THE OUTPUT OF WHICH IS DELAYED …

Laser radar device utilizing heterodyne detection

RA Brandewie, WC Davis, JA Macken - US Patent 4,042,822, 1977 - Google Patents
57 ABSTRACT A laser beam is expanded by means of a beam expander device, the
expanded beam striking the surface of a mirror which has an aperture formed therein. A …

Laser diode radar with extended range

P De Groot, GM Gallatin, C Roychoudhuri - US Patent 5,594,543, 1997 - Google Patents
An object of the invention is to provide an improved optical radar System based on a laser
diode, with an extended range of operation for providing spatial information includ ing …

Laser radar with reference beam storage

RM Langdon, EL Lewis - US Patent 5,510,890, 1996 - Google Patents
In a laser radar system, in which pulses from a laser are focused by a telescope onto a
target, the back-scattered radiation being deflected by polarizing beam splitter onto a …

Time modulated doublet coherent laser radar

MG Woolfson - US Patent 7,342,651, 2008 - Google Patents
The time separation of laser pulses comprised of a relatively fixed reference pulse and a
time varying doublet pulse in a doublet pulse laser radar is linearly modulated for …

Laser radar

CL Hayes - US Patent 5,715,044, 1998 - Google Patents
This invention characterizes an improved radar transmit ter for use in imaging a target scene
while moving to or from the scene and is capable of measuring relative range and absolute …

Laser radar

GW Bickel - US Patent 3,409,369, 1968 - Google Patents
This invention relates to a Doppler velocity measuring apparatus and more particularly to a
system utilizing very high transmission frequencies such as found in the light from a laser for …

Laser radar system

DC Mckown, DE Howlett, A Di Tommaso - US Patent 3,516,743, 1970 - Google Patents
A compact optical system which changes the trans mitted output of a laser unit into a slender
rectangular beam which is scanned back and forth at right angles to the length of the …

Radar laser transmitter

CL Hayes - US Patent 5,323,223, 1994 - Google Patents
A laser radar for scanning a target aperture having a predetermined array of locations
comprising a laser means having a power source and a resonator cavity containing a lasing …

High energy coherent pulse source for laser system

CL Hayes - US Patent 4,163,954, 1979 - Google Patents
A multiple frequency laser technique for enhancing the detection of discrete targets amid a
clutter background while also increasing the range performance or power limits of the laser …