Micro Aspherical Glass Lenses（for V-GROOVE） Covers needs for high density in V-GROOVE market with its small, space-saving, 1mm diameter. Aspherical Molded Glass Lenses with Metal Holder Micro Aspherical Glass Lenses (for V-GROOVE) Square Aspherical Glass Lenses Network Modules Features ● ● ● ● Applications ● 1mmdiametermicroasphericalglasslens. Free from the wave aberration in spherical lenses. High couplingefficiencyandhighreliabilitymakesthislensideal foropticalcommunication. Mountabletosmallpackagesforhigh-speedlasermodules. Pb-free glass type equivalent to the conventional shape and specificationsarealsoavailableinallmodels. Min-DILtypeswithasiliconV-GROOVEstructure,etc. Standard Lenses Products List and Specifications （※1） Wavelength〔nm〕 Focal length L1 Type Coupling lenses Target device type L2 （※1） （WD） （※1） Model 〔mm〕〔mm〕〔mm〕 1310 1550 FLGB1ZH ● ● FLGC1ZH ● ● 0.56 FLGD1ZH ● ● FLGF1ZH ● Fiber FLGG1ZH （Fiber collimator lens system） ● Chip type LD Chip type LD （Two lens system） 0.35 1.88 0.30 2.45 0.55 0.25 2.91 ● 0.50 0.16 - ● 2.00 1.591 - Collimator lenses Note ※1 : Optical values are design values of wavelengths highlighted in 9 . Micro Asphirical Glass Lenses (for V-GROOVE) Dimensions Unit : mm FLGB1ZH Magnification : M=3 ø1.0 NA0.40 Laser diode-chip side L1 0.35 Fiber side Aspherical Molded Glass Lenses with Metal Holder L2 1.88 0.81 Micro Aspherical Glass Lenses (for V-GROOVE) OI=3.04 FLGC1ZH Square Aspherical Glass Lenses Magnification : M=4 ø1.0 NA0.45 Laser diode-chip side L1 0.3 Fiber side Network Modules L2 2.45 0.81 OI=3.56 Magnification : M=5 FLGD1ZH ø1.0 NA0.50 Laser diode-chip side L1 0.25 Fiber side L2 2.91 0.81 OI=3.98 FLGF1ZH FLGG1ZH Magnification : M= ∞ Magnification : M= NA0.17 f=2.0mm ∞ Laser diode-chip side 0.16 Parallel rays side Parallel rays side 0.81 Fiber side ø1.0 ø1.0 NA0.60 0.82 1.591 L1 Typical Example Lens Laser diode V-GROOVE For terms NA, LD, PD, C/G, CW, lens holder, refer to terminology on P.16 10