传感、探测器用镜片 Optics for Sensors and Detectors

Optics for Sensors and Detectors

资料下载：Download Components for Optics for Sensors and Detectors Datasheet (PDF, 190 KB)

Sensors as well as varios systems on their base are widly used and discover new and new areas for applciations on almost all aspects of human activity. Optical IR-sensors and detectors belong to a special niche since are allowed to control and manage the processes which take place at room and much low temperatures. Majority of the devices here are remote-acting and non-contact. 
Application of Wien's law to human body emission results in a peak wavelength of

For this reason, thermal imaging devices for human subjects are most sensitive in the 7?14um range.

For monitoring and temperature measurements of higher heated environments the wavelength range 3-5um is used.
Practically all organic and inorganic compounds have the unique feature that they more or less good absorb at the diapason of  2?15um. This cause the wide products line of IR-sensors and IR-detectors.
Tydex introduces various passive optics for the discussed topic.
Hereunder are some examples of the optical elements demonstrating the range of our products. Additional information is available in the following chapter - Frontal optics for ultimate applications.

1) Silicon meniscus lenses for 3-5 um IR detectors (pyrometers)
Application: production of concrete, steel, glasses, etc.
Specification:

MaterialSiTypemeniscus lens, plano-convex lensDiameter, mm29 (+0/-0.2)Central thickness, mm4 (+/-0.2)EFL tolerance, %+/-2Surface quality, scr/dig60/40Surface figure, fringesN<=5, deltaN<=1 @633nmAR coating (BBAR/BBAR type), R @3-5 um, %<1 (see the curve below)

2) Germanium windows for 8-12 um IR imager
Application: to be installed at helicopter for long-distanse monitoring of forest fire
Specification:

MaterialGeTypeplano-plano windowDiameter, mm120 (+0/-0.2)Thickness, mm4 (+/-0.2)Surface quality, scr/dig60/40Surface figure, fringesN<=5, delta N<=1 @633nmAR coating (DLC/BBAR type), R @8-12um, %<5 (see the curve below)

3) Germanium meniscus lenses for 8-10 um IR imager
Application: sea-based system of 360 deg.-panoramic view
Specification:

MaterialGeTypemeniscus lens Diameter, mm105 (+0/-0.2)Central thickness, mm8 (+/-0.2)EFL tolerance, %+/-2Surface quality, scr/dig60/40Surface figure, fringesN<=5, delta N<=1 @633nmAR coating (DLC/BBAR type), R @8-10 um, %<5 (see the curve below)

4) Protective domes for pyranometers
Application: meteorology, climatology, environmental monitoring at green-houses and open fields 
Specification:

MaterialGlass, quartsTypedomeDiameter, mm32 (+0/-0.2)Central thickness, mm3.7 (+/-0.2)Surface quality, scr/dig80/50

5) Filter for pyrgeometers 
Application: measuring an effective atmospheric IR radiation spectrum over wide spectral range (4.5-45 um) 
Specification:

MaterialFZ-SiTypeplano-plano window, meniscus lensDiameter, mm31.8  (+0/-0.2)Thickness, mm1 (+/-0.1)Surface quality, scr/dig40/20AR coating (DLC/solar blind type)(see the curve below)

6) Sapphire window for under-water sensors
Application - to be installed at bathyscaphe to monitor continental shelf, ship's bottom, etc
Specification:

MaterialSapphireTypeplano-plano windowDiameter, mm77 (+0/-0.2)Thickness, mm6.0 (+/-0.2)Surface quality, scr/dig60/40Surface figure, fringesN<=5, delta  N<=1 @633nm

7) Si bullet-lens for 3-5 um IR immersion LED's and photodiodes
Application: to be used as lighter emitter
Specification:

MaterialSiTypebullet-lens Diameter, mm3.5  (+0/-0.4)Central thickness, mm3.21  (+/-0.05)Surface quality, scr/dig40/20Surface figure, fringesN<=5, delta N<=1 @633nmAR coating (one side BBAR @3-5 um)(see the curve below)

8) CaF₂ bullet-lens for 3-5 um IR immersion LED's and photodiodes
Application: environmental monitoring
Specification:

MaterialCaF2Typebi-convex lensDiameter, mm11 (+0/-0.1)Central thickness, mm5.3 (+/-0.2)EFL @4.25um, mm12.5Surface quality, scr/dig80/50Surface figure, fringesN<=2, delta  N<=1 @633nm

9) ZnSe lens for 10.6 um laser 
Application: laser industry, CO₂- and CO-detectors, medicine
Specification:

MaterialCVD-ZnSeTypeplano-convex lensDiameter, mm12.7 (+0/-0.2)Central thickness, mm2.0  (+/-0.2)EFL tolerance, %+/-2Surface quality, scr/dig40/20Surface figure, fringesN<=1,delta N<=0.5 @633nmAR coating (AR/AR type), R @10.6 um, %<0.5 (see the curve below)

10) ZnSe  beamsplitter
Application: monitoring of air quality, nitrogen fixation, fruit storage, mycology, medicine
Specification:

MaterialCVD-ZnSeTypeplano-plano windowDiameter, mm25 (+0/-0.2)Thickness, mm4 (+/-0.2)Surface quality, scr/dig40/20Surface figure, fringesN<=5, delta  N<=1 @633nmCoating (see the curve below) -S1: AR @10.3 um -S2: R=90%+/-5% @10.3um

11) ZnSe window for IR detectors, etc. 
Application: monitoring of air quality, nitrogen fixation, fruit storage, mycology, medicine.
Specification:

MaterialCVD-ZnSeTypeplano-plano windowDiameter, mm12.7 (+0/-0.2)Thickness, mm3.0  (+/-0.2)Surface quality, scr/dig60/40Surface figure, fringesN<=1, deltaN<=0.5 @633nmAR coating (AR/AR type), R @ 4.5um, %(see the curve below)

12) Teflon IR polarizer
Application: methane leak detectors
Specification:

MaterialTeflonDiameter, mm12.7 (+0/-0.2)Transmission curveSee the chapter IR Polarizers

We are pleased to emphasize that the list of similar components is permanently replenished and we are ready to considerate yuor new RFQ's.

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