Featuring

GLOBAL LEADER

IN OPTICAL TECHNOLOGY

Thermal Imaging Lens
Assemblies for applications
such as:• Thermal imaging andthermography• Gas sensing and spectroscopy• Security and surveillance• Automotive vision• High-volume, cost effective
manufacturing• Full design support for custom optics

and mechanics from our experienced
engineering teamIf you don’t see the lens you need in our catalog,
our engineering team will customize a solution foryour specific application.

www.lightpath.com

enhancement• Manufacturing process controland inspection• Target tracking andidentification• Weapon Sights• Thermal Monocular andBinocular

800.472.3486

BD6 GLASS DATASHEETAdvantages ofLightPath’s BD6ChalcogenideGlass• High Transmission• Low Cost and Weight• Optical Athermalization• Can be molded, polished or
diamond-turned• No Germanium Content
BD6 chalcogenide glass is ideal for use in MWIR
and LWIR thermal imaging systems. Our teamof experienced engineers will work with you todesign lenses for your application.

InternalTransmission

Internal Spectral Transmission1
100%
80%
60%
40%
20%0%
1 2 3 4 5 6 7 8 9 10 11 12 13 14 151Per mm of thickness, ignoring surface

Wavelength (μm)

Optical Properties        
WavelengthȜ (μm)

RefractiveIndex

Absorption  -1)

2

2.82300.003

42.79780.002

62.79140.002

82.78670.002

102.78160.003

122.77550.004

142.76830.068

Other Properties
Composition
Component

Percentage

Arsenic

40%

Selenium60%
Equivalent Glasses
Schott - IRG26
Vitron - IG6

Mechanical Properties

Internal Transmission FormulaTi=e
Where      and  is the sample thickness

CoatingsDensity

4.63 g/cm3

Hardness (Vickers)

142 HV

Young’s Modulus

19.8 GPa

Thermal Properties
Max Exposure Temp

10°C

CTE (25-100°C)

22.5 x 10-6/°C

dn/dT @ 10 μm (0-40°C)

30.5 x 10-6/°C

HEAR and DLC coatings available

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www.lightpath.com

800.472.3486

LPTHCORP 1512 #LightPath Thermal Imaging Lens Assemblies
Assembly
Part Number

Lens Type

Effective
Focal Length

F/#Recommended Detector Format(H x V Resolution / Pixel Size)

Horizontal FOV(on Specific Detector)

7100333

Molded BD6™ Singlet

1.5 mm1.380 x 80 / 34 μm

120°7100327

Molded BD6™ Singlet

1.9 mm1.380 x 80 / 34 μm

90°7100380

Molded BD6™ Singlet

2.7 mm1.380 x 80 / 34 μm

60°7100410

Molded BD6™ Singlet

4.0 mm1.2

320 x 240 / 12 μm

56°7100331

Molded BD6™ Singlet

5.3 mm1.3320 x 240 / 12 μm

42°7100306

Molded BD6™ Singlet

6.3 mm1.3320 x 240 / 17 μm

50°7100305

Molded BD6™ Singlet

7.7 mm1.3320 x 240 / 17 μm41°7100320

Molded BD6™ Singlet

9 mm

1.3320 x 240 / 17 μm

35°7100340

Molded BD6™ Doublet

15 mm

1.2640 x 512 / 10 μm

25°7100350

Molded BD6™ Doublet

15 mm

1.0384 x 288 / 17 μm

25°7100338

Molded BD6™ Doublet

19 mm

1.1640 x 480 / 17 μm

32°7100341

Molded BD6™ Doublet

20 mm

1.2640 x 512 / 10 μm

18°7100346

Molded BD6™ Doublet

24 mm

1.2640 x 480 / 17 μm

26°7100412

DT / Molded BD6™ Hybrid

25 mm

1.0640 x 480 / 17 μm

25°7100383

DT / Molded BD6™ Hybrid

35 mm

1.0640 x 480 / 17 μm

18°7100353

DT / Molded BD6™ Hybrid

50 mm

1.2

640 x 480 / 17 μm

12°7100406

Germanium

75 mm

1.0640 x 480 / 17 μm

8°Custom Options Available
www.phototechnica.co.jp 〒336-0017 埼玉県さいたま市南区南浦和 1-2-17
TEL:048-871-0067 FAX:048-871-0068

e-mail:voc@phototechnica.co.jp