公开(公告)号：EP1678470B1

公开(公告)日：2018-08-22

申请号：EP04809989.9

申请日：2004-10-13

Applicant: Axsun Technologies, Inc.

Inventor： ATIA, Walid A. ,  FLANDERS, Dale C. ,  KOTIDIS, Petros ,  KUZNETSOV, Mark E.

IPC: G01J3/36 ,  G01J3/10 ,  G01J3/26 ,  G01N21/25 ,  B81B7/02 ,  G02B26/00 ,  G02B5/28 ,  G01J3/02

CPC classification number: G01J3/36 ,  G01J3/0256 ,  G01J3/10 ,  G01J3/26 ,  G01N21/255

Abstract: Integrated spectroscopy systems are disclosed. In some examples, integrated tunable detectors, using one or multiple Fabry-Perot tunable filters, are provided. Other examples use integrated tunable sources. The tunable source combines one or multiple diodes, such as superluminescent light emitting diodes (SLED), and a Fabry Perot tunable filter or etalon. The advantages associated with the use of the tunable etalon are that it can be small, relatively low power consumption device. For example, newer microelectrical mechanical system (MEMS) implementations of these devices make them the size of a chip. This increases their robustness and also their performance. In some examples, an isolator, amplifier, and/or reference system is further provided integrated.

公开(公告)号：EP1794555A1

公开(公告)日：2007-06-13

申请号：EP05798334.8

申请日：2005-09-20

Applicant: Axsun Technologies, Inc.

Inventor： FLANDERS, Dale C. ,  ATIA, Walid A. ,  KUZNETSOV, Mark E.

IPC: G01J3/10

CPC classification number: G01J3/10

Abstract: A multi semiconductor source tunable spectroscopy system has two or more semiconductor sources for generating tunable optical signals that are tunable over different spectral bands. The system enables the combination of these tunable signals to form an output signal that is tunable over a combined band including these individual spectral bands of the separate semiconductor sources. The system further compensates for spectral roll-off associated with the semiconductor sources. Specifically, near the limits of the semiconductor sources spectral bands, the power in the tunable signal tends to degrade or decrease. The system compensates for this roll-off using drive current control, attenuators, or electronic compensation.