never heard of it and neither the internet, it seems.
http://cgi.ebay.com/Lightwave-Research-High-End-Trackspot-Fiber-Optic-unit_W0QQitemZ220158531134QQihZ012QQcategoryZ29944QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
http://cgi.ebay.com/Lightwave-Research-High-End-Trackspot-Fiber-Optic-unit_W0QQitemZ220158531134QQihZ012QQcategoryZ29944QQssPageNameZWDVWQQrdZ1QQcmdZViewItem