61-6928-58 45°Right Angle Prism BK7 1mm Base Material Surface Flatness λ/2 RPB-01-2L
Analyzer, Testing Equipment

61-6928-58 45°Right Angle Prism BK7 1mm Base Material Surface Flatness λ/2 RPB-01-2L

model: 61-6928-58
brand: SIGMAKOKI CO., LTD.

Product Description

Product Model: 61-6928-58Product Brand: SIGMAKOKI CO., […]

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Product Details

Product Model: 61-6928-58
Product Brand: SIGMAKOKI CO., LTD.

Features

  • An uncoated prism that can be ***d in a variety of applications, including critical angle total reflection and wavelength dispersion.
  • Since various coatings can be applied to this prism, it is possible to fabricate prism optical elements of the wavelength ***d.
  • There is a BK7 type that can be ***d in the visible to infrared range and a synthetic quartz type that can also be ***d in the ultraviolet range.
  • The angular accuracy and surface accuracy of prisms are very high, and it is possible to *** them directly bonded to machined parts.
  • Prisms can stand on their own without a special holder and can be ***d as a substitute for small mirrors as there are various installation options.
  • * Measured A dimension is slightly shorter since it includes chamfer.
  • * The tolerance is defined by the sides of the triangle formed by the slope and the two bases.
  • * The reflection surface at the critical angle is almost 100% reflection, but there is about 8% loss due to the reflection of the surface entering and exiting the glass.
  • * When light enters the slope from the air, most of the light escapes to the prism side and only a part of the light is reflected.
  • * For BK7, if light is applied at an incident angle of 41 degrees or less (critical angle or less) from the glass side to the slope, some light will pass through to the air side and total reflection will not occur.
  • * Synthetic quartz does not produce total reflection at incidence angles below 43 degrees (critical angle).
  • * Fingerprints and dirt on the uncoated side of the slope may prevent total reflection even above the critical angle.
  • * Do not let the no-coat surface come in contact with anything.

Spec

  • [<45° straight angle prism> common specification]
  • Material: BK7 (refractive index n d=1.517), Synthetic quartz (refractive index n d=1.458)
  • Base material surface accuracy: λ/2
  • Angle accuracy: ±3′ (90° and 45°)
  • Scratch - dig: 20-10
  • Effective range: Circle or ellipse inscribed to 90% of outer dimensions of rectangle
  • [Individual specification]
  • Material: BK7
  • A=B: 1mm
  • RoHS conform product

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