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● Glass type : LG760-1.0 (Nd-doped phosphate laser glass)
● Nd concentration : 1.0 weight percent Nd2O3 ± 0.1%
● Barrel finish : acid etched to relieve stress and micro- cracks, fine ground
● Face angles : 7 degrees ± 0.2
● Face parallelism : 30 arc seconds
학술연구용