OHARA INC. : Line up of Low Tg Optical Glass for Glass Mold Lens

For wider variations of the glass choices, we have increased our line up of Low Tg Optical Glass for Glass Mold Lens.

Glass Type	Catalog value		Controlled value*1	After molding*2
Glass Type	n_d	ν_d	n_d	n_d
L-BAL35	1.58913	61.2 61.15	1.58868	1.58646
L-BAL35P	1.58913	61.2 61.15	1.59163	1.58941
L-BAL42	1.58313	59.4 59.38	1.58263	1.58038
L-BAL42P	1.58313	59.4 59.38	1.58543	1.58318
L-BSL7	1.51633	64.1 64.06	1.51603	1.51442
L-BSL7P	1.51633	64.1 64.06	1.51793	1.51632
L-TIM28	1.68893	31.1 31.08	1.68848	1.68389
L-TIM28P	1.68893	31.1 31.08	1.69353	1.68894
L-LAM60	1.74320	49.3 49.29	1.74260	1.73962
L-LAM60P	1.74320	49.3 49.29	1.74620	1.74322
L-LAM69	1.73077	40.5 40.51	1.73017	1.72717
L-LAM69P	1.73077	40.5 40.51	1.73380	1.73080
L-LAM72	1.73310	48.9 48.89	1.73230	1.72886
L-LAM72P	1.73310	48.9 48.89	1.73650	1.73306
L-LAL12	1.67790	54.9 54.89	1.67740	1.67460
L-LAL12P	1.67790	54.9 54.89	1.68070	1.67790
L-LAL13	1.69350	53.2 53.18	1.69280	1.68981
L-LAL13P			1.69623	1.69324
L-LAL13Q			1.69700	1.69401
L-LAH53	1.80610	40.9 40.88	1.80540	1.80146
L-LAH53P	1.80610	40.9 40.88	1.81000	1.80606
L-LAH81	1.80610	40.4 40.40	1.80610	1.80286
L-LAH81P	1.80610	40.4 40.40	1.80930	1.80606
L-LAH83	1.86400	40.6 40.58	1.86320	1.85919
L-LAH84	1.80860	40.4 40.42	1.80770	1.80467
L-LAH84P	1.80860	40.4 40.42	1.81160	1.80857
L-LAH85	1.85400	40.4 40.38	1.85320	1.84883
L-PHL1	1.56455	60.8 60.82	1.56385	1.56185
L-PHL1P	1.56455	60.8 60.82	1.56655	1.56455
L-PHL2	1.55880	62.5 62.55	1.55820	1.55556
L-PHL2P	1.55880	62.5 62.55	1.56140	1.55876
L-TIH53	1.84666	23.8 23.77	1.84546	1.83971
L-NBH54	1.90200	25.1 25.10	1.90100	1.89603

*1	Controlled value: The refractive index is controlled by the annealing with cooling rate -600 °C/day.
*2	The refractive index values depend on our molding conditions.