61-6929-21 45°Knife Edge Right Angle Prism 10mm Base Material Surface Flatness λ/4 KRPB-10-4M
Analyzer, Testing Equipment

61-6929-21 45°Knife Edge Right Angle Prism 10mm Base Material Surface Flatness λ/4 KRPB-10-4M

model: 61-6929-21
brand: SIGMAKOKI CO., LTD.

Product Description

Product Model: 61-6929-21Product Brand: SIGMAKOKI CO., […]

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Product Details

Product Model: 61-6929-21
Product Brand: SIGMAKOKI CO., LTD.

Features

  • This is a prism with a sharp finish of the right edge sandwiching the bottom of two sides by polishing.
  • Since the right-angled ridge is not chamfered, the line of the right-angled ridge becomes very thin when peeking from the slope side, and you can observe the natural reflection image without any seam.
  • The width of the right-angled ridge is so narrow and straight that it can be ***d as a reference line in an observation system.
  • Total reflection at the critical angle is obtained when using light with an incident angle of 0±5.7 degrees for the slope.
  • * The knife edge of the right-angled ridge is very easy to chip, so please handle it carefully so that it does not come into contact with anything else.
  • * The knife edge cannot be wiped with lens paper.
  • * Use an air blower to blow out the garbage before ***.
  • * Since the measured A dimension includes a chamfer, it is slightly shorter.
  • * The tolerance is defined by the sides of the triangle formed by the slope and the two bases.
  • * Reflectivity above the critical angle is about 100% reflection, but there is a loss of about 8% due to reflection of the entrance/exit face of the prism.
  • * Fingerprints or dirt on the uncoated surface may prevent total reflection even if the angle is higher than a critical angle.
  • * Do not let the no-coat surface come in contact with anything.

Spec

  • [

    common specification]
  • Material: BK7 (refractive index n d=1.517)
  • Edge processing: Straight angle edge division: Knife edges (chamfer none), Edge in other: C chamfer
  • Coating: No coat (3 faces)
  • Effective range: Circle or ellipse inscribed to 90% of the length of the sides
  • [Individual specification]
  • A=B: 10mm
  • Base material surface accuracy: λ/4
  • Angle degrees accuracy (90°): ±1′
  • Angle degrees accuracy (45°): ±1′
  • Scratch - dig: 10?5
  • RoHS conform product

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