WMS-15 has improved internal transmittance and exception low surface
roughness values making the material the ideal DWDM substrate for thin
film filters demonstrating extremely low thermal wavelength drift and
low insertion loss values.
WMS®-15
Properties
WMS®-15
Material Type
Glass-ceramics
Specific Gravity
2.50
Young's Modulus
(GPa)
96
Vickers Hardness
800
Abrasion
Aa
31
Heat Resistance
(ºC)
650
Thermal Conductivity
(W/(m·K))
1.9
CTE
-30~70ºC (10-7/K)
114
Water Resistance
RW(P)JOGIS
1
Acid Resistance
RA(P)JOGIS
1
Internal Transmittance
1550nm 1mmt(%)
99.9
Refractive Index
1550nm
1.524
dn/dt
-30~70ºC (10-6/K)
-2.1
* CTE=114 x10-7/K(-30~70ºC): Standard material, Please consult us with higher CTE requirements.
* All properties are measured at room temperature except for CTE and dn/dt.
* Refractive Index and dn/dt is calculated value.
* Properties subject to change along development.
Available Products
Polished Substrate ( 1- 12inch )
Edge Chipping Photo Pictures
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