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
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●
Applications
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●
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1mm diameter micro aspherical glass lens.
Free from the wave aberration in spherical lenses. High
coupling efficiency and high reliability makes this lens ideal
for optical communication.
Mountable to small packages for high-speed laser modules.
Pb-free glass type equivalent to the conventional shape and
specifications are also available in all models.
Min-DIL types with a silicon V-GROOVE structure, etc.
Standard Lenses Products List and Specifications
（※1）
Wavelength
〔nm〕
Focal length
L1
Type
Target device type
Model
1310
1550
●
●
●
●
FLGB1ZH
●
●
●
●
〔mm〕〔mm〕
〔mm〕
0.56
0.55
0.50
0.35
0.30
0.25
0.16
1.88
2.45
2.91
-
L2
（※1） （WD） （※1）
Coupling
lenses
Chip type LD
FLGC1ZH
FLGD1ZH
Chip type LD
（Two
lens system）
FLGF1ZH
Collimator
lenses
Fiber
FLGG1ZH
（Fiber
collimator lens system）
●
●
2.00
1.591
-
Note
※1
: Optical values are design values of wavelengths highlighted in
.
9
Micro Asphirical Glass Lenses (for V-GROOVE)
Dimensions
FLGB1Z
H
NA0.40
Magnification : M=3
Unit : mm
ø1.0
Laser diode-chip
side
Fiber side
L1
0.35
0.81
OI=3.04
L2
1.88
Aspherical Molded
Glass Lenses
with Metal Holder
Micro Aspherical
Glass Lenses
(for V-GROOVE)
Square
Aspherical
Glass Lenses
Fiber side
FLGC1Z
H
NA0.45
Laser diode-chip
side
Magnification : M=4
ø1.0
L1
0.3
0.81
OI=3.56
Magnification : M=5
L2
2.45
Network
Modules
FLGD1Z
H
NA0.50
Laser diode-chip
side
ø1.0
Fiber side
L1
0.25
0.81
OI=3.98
L2
2.91
FLGF1Z
H
Magnification : M=
NA0.60
FLGG1Z
H
∞
Magnification : M=
NA0.17 f=2.0mm
∞
0.16
L1
0.81
0.82
ø1.0
Laser diode-chip
side
ø1.0
Parallel rays
side
Parallel rays
side
Fiber side
1.591
Typical Example
Lens
Laser diode
V-GROOVE
For terms NA, LD, PD, C/G, CW, lens holder, refer to terminology on
P.16
10
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