Phase mask plate and equipment and method for manufacturing a fiber bragg grating
The invention provides a phase mask plate and equipment and a method for manufacturing a fiber bragg grating. The phase mask plate is used for being arranged in front of a fiber (5), so that an ultraviolet light beam penetrates through interference fringes formed by the phase mask plate (118) to be...
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Format: | Patent |
Sprache: | chi ; eng |
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