A chirped Bragg grating is fabricated in an optical fiber by exposing the fiber to a coherent beam of light through a parallel phase mask having a series of progressively chirped segments produced on a lithography tool. The chirped phase mask is fabricated by exposing a photoresist-coated substrate to an image writing element such as an electron beam or a laser according to a set of parameters provided to the lithography tool. The parameters include a basic grating pattern for each segment, a value that defines the expansion or contraction of the grating pattern and an axis location to which the grating pattern is to be written to the substrate. By selecting machine commands that implement these parameters with a minimum throughput overhead, the mask can be produced in a reduced time, and therefore with increased accuracy.
Method For Fabricating Chirped Fiber Bragg Gratings
A chirped Bragg grating is fabricated in an optical fiber by exposing the fiber to a coherent beam of light through a parallel phase mask having a series of progressively chirped segments produced on a lithography tool. The chirped phase mask is fabricated by exposing a photoresist-coated substrate to an image writing element such as an electron beam or a laser according to a set of parameters provided to the lithography tool. The parameters include a basic grating pattern for each segment, a value that defines the expansion or contraction of the grating pattern and an axis location to which the grating pattern is to be written to the substrate. By selecting machine commands that implement these parameters with a minimum throughput overhead, the mask can be produced in a reduced time, and therefore with increased accuracy.
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James Unruh
Spring-Green Lawn Care Lawn Maintenance
101 N Greenville Ave Ste C Pmb 418, Allen, TX 75002 9723592990
James A. Unruh Medical Records Director
Tenet Healthcare Corporation General Medical and Surgical Hospitals
13737 Noel Rd., Dallas, TX 75240
James Unruh
Spring-Green Lawn Care Lawn Maintenance
101 N Greenville Ave Ste C Pmb 418, Allen, TX 75002 9723592990
James A Unruh Director
Tenet Healthcare Hospital & Health Care · General Hospitals & Other Healthcare Operations · General Hospital · Hospitals · Internist · General Medical and Surgical Hospitals
1445 Ross Ave SUITE 1400, Dallas, TX 75202 PO Box 809088, Dallas, TX 75380 13737 Noel Rd, Dallas, TX 75240 4698932200, 4698938600, 4698936609, 4698932000
James A. Unruh Director
Prairie Systems, Inc
James A. Unruh Director
National Medical Enterprises, Inc
James Unruh Director
PRUDENTIAL FINANCIAL CORPORATION
109 N Akard St #910 %HAROLD COLLUM, Dallas, TX 75201 751 Broad St, Newark, NJ 07102
James Unruh Director, President
LEISURE LAWNS, INC Lawn/Garden Services
28 Buckingham Ln, Allen, TX 75002
Isbn (Books And Publications)
Customers Mean Business: Six Steps to Building Relationships That Last
james lewis (1978-1982), robert bayse (1983-1987), Danny Hall (1979-1983), earnest jones (1970-1974), James Unruh (1968-1972), Joyce Wilson (1970-1974)