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美國Xtellus
Xtellus 公司總部位于美國新澤西，是靈活光網絡中ROADM技術和動態光模塊的業界領先供應商。 Xtellus可以提供一系列的ROADM產品，包括：波長選擇性開關WSS，波長阻斷器WB以及集成功率監視和復用/解復用ROADM模塊。Xtellus產品的核心技術是其專有的液晶光處理器，Xtellus液晶處理器可以設置直通，交換，阻塞或有選擇的濾波等工作狀態，可以同時處理幾百個波長，沒有移動部件，具有高的可靠性。專利化的產品設計使Xtellus產品具有低插入損耗，高消光比，精確的濾波器形狀，緊湊的模塊化尺寸等優勢。

Xtellus is a leading supplier of ROADM technology and dynamic optical modules for Agile Optical Networking systems. Agile Optical Networks are reconfigurable DWDM networks that are used to provide rapid provisioning and efficient operation of triple-play high-speed Internet, video and telephone services.
Xtellus is headquartered in Morris Plains, NJ, with manufacturing and development facilities in Israel and South Korea. Xtellus market leadership is based on:

A broad family of ROADM products including wavelength selective switches, wavelength blockers and ROADM modules with integrated power monitoring and muxes/demuxes.

Proprietary liquid crystal optical processors that are the dynamic optical engines at the heart of all Xtellus products. These processors can be configured to switch, pass-through or block, attenuate or selectively filter light. They can handle hundreds of wavelengths concurrently and with no moving parts have ultra-high reliability.

Patented product designs that provide and protect the multiple advantages of Xtellus products such as low insertion loss combined with high extinction, precision filter shapes, compact module size and manufacturing techniques that support very competitive prices.

Rapid product customization obtained by leveraging Xtellus' in-house liquid crystal optical processor fabrication facility - the only one of its type in the world dedicated to telecommunications applications - and an integrated dynamic optical module manufacturing line.

A dynamic leadership team that combines outstanding optical networking business expertise and optical module design and manufacturing expertise.