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Aspherical Microlens Array

Our Aspherical Microlens Array comprises glass materials that feature excellent environmental resistance and temperature characteristics. We use K-PG325 and K-PBK40 for collimator lenses and K-VC89, which features a refractive index exceeding 1.8 (nd) for LD coupling lenses.

Applications
  • Collimator lenses for telecommunications

  • Coupling lenses for telecommunications

  • Many other applications

Spezifikationen

Overall size

 7mm or below

Lens thickness

0.3mm or over

Lenses used

Subject to discussion

Lens pitch error

1µm or below

Lens sag

25µm or below

Minimum lens curvature radius

150µm

Maximum lens tilt angle

40°

Lens surface shape accuracy

P-V=1µm or below

Surface roughness

Ra 0.030µm

Beispiel Spezifikationen

 

Collimator lenses

LD coupling lenses

Material

K-PBK40/K-PG325

K-VC89

Lens pitch

250µm

250µm

Number of Lens

12

12

Lens diameter

240µm

240µm

Curvature Radius

296µm

175µm

Lens thickness

0.6mm

0.45mm

Lens sag

24µm

38µm

Weve length

1550nm

850nm

Focal length

0.6mm

0.22mm

NA

0,2

0.3x0.19

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