TEST APPARATUS FOR TESTING DEVICE UNDER TEST HAVING OPTICAL COUPLER, TEST METHOD FOR TESTING DEVICE UNDER TEST HAVING OPTICAL COUPLER BY TEST APPARATUS AND DEVICE INTERFACE

摘要

The test device and the optical output of the device under test with an optical interface to adjust simply. In the test apparatus for testing a device under test having an optical coupler for transmitting optical signals on the device side and the vertical direction , the substrate is blood and the test device is mounted , and to an optical transmitter for transmitting an optical signal , an optical coupler on the substrate installed toward the stand , there is provided a test apparatus and a test method of an optical signal from one of the ends of the optical coupler and including a lens for condensing light transmitted by the other .