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THz透镜

THz Lenses

  • 货  号:FT400UMT
  • 销售价:
购买数量:
  (库存200)
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THz Lenses

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n Download THz Lenses nDatasheet (PDF, 76 KB)
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We offer THz lenses made of TPX and HRFZ-Si.

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1.  TPX Lenses
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Commom specification: 
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Material TPX
Typeplano-convex, bi-convex
Available diameters, mm to 100
Diameter tolerance, mm + /-0.25
Claer aperture, %>=90
EFL tolerance (for lenses), % +/- 1
Surface quality (two-sided polishing), nscr/dig 80/50
Surface accuracy, mm
+/- 0.01 deviation from ideal sphere and nplane
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n THz lenses
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The following TPX lenses are available from stock:

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No. Diameter EFL
mm inches mm
1 25.4 1.0 25.0
2 25.4 1.0 50.0
3 25.4 1.0 100.0
4 25.4 1.0 200.0
5 38.1 1.5 50.0
6 38.1 1.5 75.0
7 38.1 1.5 100.0
8 38.1 1.5 150.0
9 38.1 1.5 200.0
10 50.8 2.0 50.0
11 50.8 2.0 75.0
12 50.8 2.0 100.0
13 50.8 2.0 150.0
14 50.8 2.0 200.0 n
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*All EFLs are calculated for wavelength 300 ??. EFL deviations related with nrefraction index dispersion at the edges of THz range (30-3000 ??) and within nvisible range are negligible in comparison with EFL tolerances manufactured.

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Please check Optics nstock.
Alternate sizes (max thickness 30 mm) and custom design are nmanufactured upon request.
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n THz lenses
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TPX lens (diameter 101.6 mm)
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For price quotation and delivery please fill in our Request Form.
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2. HRFZ-Si Lenses
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We offer HRFZ-Si lensesof different types: nhyper-/hypo-/hemispherical, bullet, and meniscus.

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Common specification:
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Material HRFZ-Si n
Typespherical, nhyper-hemispherical,
hemispherical,
hypo-hemispherical, and nbullet
Available diameters, nmm
2-100
Dimensions tolerance, mm +/-0.1
Clear apperture, % n>=90
Surface quality, nscr/dig 80/50
Surface accuracy, nmm+/-0.01 deviation from ideal nsphere and plane
CoatingAR coatings upon nrequest
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n THz lenses n
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The polished 'ball-shaped' blanks of HRFZ-Si (with diameters 2.0, 4.0, 6.0, n8.0, 10.0, and 12.0 mm) are always in stock. Upon your request nhyper-/hypo-/hemi-spheres will be supplied within 2 weeks as the flat surface of nthe lens can be polished for the required thickness.

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n THz lenses
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HRFZ-Si hyper-hemispherical lens (diameter 101.6 nmm)
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The finished parts of different dimensions are available from stock and nsupplied within a week.
For price quotation and delivery please fill in our nRequest Form

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Also we offer HRFZ-Si meniscus lenses.

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Commom specification:

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Material HRFZ-Si n
Typepositive meniscus
Available diameters, mmto 150
Dimensions tolerance, mm +0.0 /-0.1
Thickness tolerance, mm +/-0.1
Edge thickness variation, mm
<=0.05
Clear apperture, % 90
EFL tolerance, %
+/-1
Surface quality, scr/dig 80/50
Surface figure  varies depending on radius
CoatingsAR coatings upon nrequest
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n THz lenses n
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The following HRFZ-Si meniscus lenses are available from stock:

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No. Diameter EFL
mm inches mm
1 25.4 1.0 25.0
2 25.4 1.0 50.0
3 25.4 1.0 100.0
4 25.4 1.0 200.0
5 38.1 1.5 50.0
6 38.1 1.5 75.0
7 38.1 1.5 100.0
8 38.1 1.5 150.0
9 38.1 1.5 200.0
10 50.8 2.0 25.0
11 50.8 2.0 50.0
12 50.8 2.0 75.0
13 50.8 2.0 100.0
14 50.8 2.0 150.0
15 50.8 2.0 200.0 n
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*All EFLs are calculated for wavelength 300 ??. EFL deviations related with nrefraction index dispersion at the edges of THz range (30-3000 ??) and within nvisible range are negligible in comparison with EFL tolerances manufactured n(+/-1%).

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