100
90
80
70
60
50
40
30
20
10
Substrate: Black Diamond™ BD-2
(Ge28Sb12Se60)
Index of Refraction: 4 μm: 2,6210
Density (g/cm3): 4,68
Transformation Temp. (Tg)(°C): 285
Coefficient of Thermal Expansion: 14 x 10-6/°C
dn/dT (-40° to +80°C): 70 x 10-6/°C (5-14 μm)
Surface Quality: 80-50
Coating: Ravg < 1,0% per surface
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lenses
cylinder lenses
Substrate: Silicon
Design Wavelength ( μm): PCX: 10,6
Aspheric: 4,0
Clear Aperture (%): ≥90
Diameter Tolerance (mm): +0,00/-0,10
Center Thickness Tolerance (mm): ±0,10
Surface Quality: 40-20
Centering (arcmin): PCX: <3
Aspheric: <10
Coating: Ravg <3% @ 3 - 5 μm
Silicon with 3-5μm AR Coating
0
2 2.5 3 3.5 4 4.5 5 5.5 6
Wavelength (μm)
Transmission (%)
• Wavelength Range of 1,2 - 7 μm
• Low Density and Dispersion
• Ideal for Weight Sensitive IR Applications
TECHSPEC® Silicon Lenses are available with
plano-convex (PCX) or aspheric designs and are ideal
alternatives for costly ZnSe lenses and brittle Germanium
lenses. Featuring silicon substrates, these lenses
have high transmission in the near and mid-wave infrared
(NIR and MWIR) and are often used in NIR imaging
and infrared spectroscopy applications. Due to
the low density of silicon, TECHSPEC® Silicon Lenses
are ideal for weight-sensitive systems, such as those
found in many defense applications.
Silicon Lenses
TECHSPEC® Silicon Plano-Convex (PCX) Lenses
Diameter
(mm)
Effective
FL
(mm)
Back
FL
(mm)
Center
Thickness
(mm)
Edge
Thickness
(mm)
Radius
R1
(mm)
Stock
No.
Uncoated
Price – Uncoated Stock
No.
3 - 5 μm
Price – 3 - 5 μm
1-5 6-25 26+ 1-5 6-25 26+
25,0 25,0 23,98 3,50 2,19 60,44 #69-673 €190,00 €152,00
Call For OEM Qty. Pricing
#69-682 €270,00 €216,00
Call For OEM Qty. Pricing
25,0 30,0 28,98 3,50 2,41 72,52 #69-674 €190,00 €152,00 #69-683 €270,00 €216,00
25,0 35,0 34,12 3,00 2,07 84,61 #69-675 €190,00 €152,00 #69-684 €270,00 €216,00
25,0 40,0 39,12 3,00 2,19 96,70 #69-676 €190,00 €152,00 #69-685 €270,00 €216,00
25,0 50,0 49,12 3,00 2,35 120,88 #69-677 €190,00 €152,00 #69-686 €270,00 €216,00
25,0 75,0 74,12 3,00 2,57 181,32 #69-678 €190,00 €152,00 #69-687 €270,00 €216,00
25,0 100,0 99,12 3,00 2,68 241,76 #69-679 €190,00 €152,00 #69-688 €270,00 €216,00
25,0 150,0 149,12 3,00 2,78 362,64 #69-680 €190,00 €152,00 #69-689 €270,00 €216,00
25,0 250,0 249,12 3,00 2,87 604,40 #69-681 €190,00 €152,00 #69-690 €270,00 €216,00
TECHSPEC® Silicon Aspheric Lenses
Diameter
(mm) EFL (mm) Numerical
Aperture BFL (mm) CT (mm) Lens Shape Stock No.
Uncoated
Price – Uncoated Stock No.
3-5 μm
Price – 3 - 5 μm
1-5 6-25 26+ 1-5 6-25 26+
25,0 12,5 1,00 10,70 4,75 Meniscus #89-357 €580,00 €464,00
Call
#89-362 €675,00 €540,00
Call
25,0 25,0 0,50 22,50 3,80 Meniscus #89-358 €505,00 €404,00 #89-617 €600,00 €480,00
25,0 50,0 0,25 47,78 3,00 Meniscus #89-359 €505,00 €404,00 #89-618 €600,00 €480,00
LightPath® Mid-Wave and Long-Wave Infrared (IR) Aspheric Lenses
• Wavelength Range of 1,8 - 12 μm
• Variety of Coating Options
• Mounted and Unmounted Versions
LightPath® Mid-Wave and Long-Wave Infrared (IR)
Aspheric Lenses feature a low-cost, molded design
and offer several key benefits over Germanium substrate
aspheres. With a dn/dT and CTE significantly
less than that of Germanium, the lenses feature a
smaller change in focal length as a function of temperature
change. Featuring a higher operating temperature
than Germanium (which suffers 20 - 30%
transmission loss at 100°C), the lenses can be used in
applications including collimators for QCL lasers and
as components within thermal imaging assemblies.
LightPath® Mid-Wave and Long-Wave Infrared (IR) Aspheric Lenses - Unmounted
Numerical
Aperture Diameter (mm) Effective Focal
Working
Center
Clear
Design
Length (mm)
Distance (mm)
Thickness (mm)
Aperture (mm)
Wavelength (μm)
1,8 - 3 μm AR 3 - 5 μm AR 8 - 12 μm AR
Stock No. Price Stock No. Price Stock No. Price
0,83 4,5 1,47 0,63 2,18 3,0 9,2 #88-071 €325,00 #88-072 €325,00 #88-073 €325,00
0,85 5,5 1,87 0,72 3,00 4,0 9,5 #66-564 €325,00 #66-565 €325,00 #66-566 €325,00
0,72 3,5 1,50 1,24 1,10 2,6 2,3 #83-717 €325,00 #83-718 €325,00 * –
0,71 6,5 3,00 2,35 2,62 5,0 7,8 #88-074 €325,00 #88-075 €325,00 #88-076 €325,00
0,56 6,5 4,00 3,05 2,50 5,0 2,5 #66-560 €325,00 #66-561 €325,00 * –
0,56 8,0 5,95 5,00 2,50 7,6 4,1 #87-177 €400,00 #87-178 €400,00 * –
LightPath® Mid-Wave and Long-Wave Infrared (IR) Aspheric Lenses - Mounted
Numerical
Mounted
Effective Focal
Working
Mount Center
Clear
Design Wavelength
Aperture
Diameter (mm)
Length (mm)
Distance (mm)
Thickness (mm)
Aperture (mm)
( μm) Thread
1,8 - 3 μm AR 3 - 5 μm AR 8 - 12 μm AR
Stock No. Price Stock No. Price Stock No. Price
0,83 8,24 1,47 0,63 4,7 3,0 9,2 M8 x 0,5 #88-077 €355,00 #88-078 €355,00 #88-079 €355,00
0,85 9,24 1,87 0,72 5,33 4,0 9,5 M9 x 0,5 #66-572 €355,00 #66-573 €355,00 #66-574 €355,00
0,72 6,24 1,50 1,24 3,55 2,6 2,3 M6 x 0,5 #83-721 €355,00 #83-722 €355,00 * –
0,71 9,25 3,00 2,35 6,25 5,0 7,8 M9 x 0,5 #88-080 €355,00 #88-081 €355,00 #88-082 €355,00
0,56 9,25 4,00 3,05 6,25 5,0 2,5 M9 x 0,5 #66-568 €355,00 #66-569 €355,00 * –
0,56 12,22 5,95 5,00 5,40 7,6 4,1 M12 x 0,5 #87-181 €430,00 #87-182 €430,00 * –
Visit www.edmundoptics.eu/3205 for prescription data, 2D and 3D models, and coating performance curves.
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