SURUGA SEIKI Optics

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  UV Permeable Filter

  SURUGA SEIKI

  Can be used for optical system constructions.

  Standard Price:	SGD 237.00
  Days to Ship:	6 Day(s) or more

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  Sharp Cut Filter (UV Region)

  SURUGA SEIKI

  [Features]
  · There are four types of color filters available for light from the ultraviolet to infrared regions: sharp cut filters (absorbs light from wavelengths shorter than the given wavelength and transmits light with longer wavelengths), heat ray absorption filters, ultraviolet-bandpass visible-absorption filters, and blue filters.

  Days to Ship:	6 Day(s) or more

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  Pinhole

  SURUGA SEIKI

  [Features]
  · Pin holes can be used for adjusting the aperture of lasers or as a special filter.
  · The pin hole has been drilled into a nickel plate, which is fixed to a ø16 mm circular aluminum plates with a thickness of 1.6 mm.
  · If the pin hole diameter is larger than 1 mm and not much precision is needed in terms of the hole diameter, please use the variable type pin hole (pin hole diameters: ø0.2, ø0.4, ø1, ø1.5, ø2, ø3, ø4, and ø6 mm).
  · Ideal for when attached to a pin hole holder or an adapter for pin holes.

  Days to Ship:	6 Day(s) or more

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  Gold Mirror

  SURUGA SEIKI

  [Features]
  · A total reflection mirror in which gold is vacuum deposited on an optically polished substrate.
  · Shows largely flat high reflection characteristics in the near infrared region.
  · Use the dielectric total reflection mirror if you need a higher reflectance.

  Standard Price:	SGD 158.34-
  Days to Ship:	9 Day(s) or more

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  Sharp Cut Filters (Visible)

  SURUGA SEIKI

  A filter that absorbs light from wavelengths shorter than the given wavelength and transmits light with a longer wavelength.

  Days to Ship:	6 Day(s) or more

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  Sharp Cut Filter (for visible region)

  SURUGA SEIKI

  [Features]
  · There are four types of color filters available for light from the ultraviolet to infrared regions: sharp cut filters (absorbs light from wavelengths shorter than the given wavelength and transmits light with longer wavelengths), heat ray absorption filters, ultraviolet-bandpass visible-absorption filters, and blue filters.

  Days to Ship:	6 Day(s) or more

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  Flat Circuit Board, Window Circuit Board S02/S04

  SURUGA SEIKI

  Substrates in which optical glass has been polished and processed with high precision, giving increased surface accuracy and parallelism. The substrate material is BK7 and synthetic quartz.

  Days to Ship:	6 Day(s) or more

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  Prism, Right Angle (With Coating) S21

  SURUGA SEIKI

  [Features]
  · A right angle prism is used for bending light 90° or 180°.
  · The function is the same as a mirror, but by using a prism for the reflective function, in general, systems can be made more compact. Also, since the mirrored surface features a protective coating, degradation of the imaging performance due to dust and scratches is minimized.
  · Caution is needed when using for white light, since chromatic aberration may occur due to the dispersion properties of the material (wavelength dependence of the refractive index).
  · Divided into B and C types depending on the difference in the coating applied to each surface of the prism.

  Days to Ship:	4 Day(s) or more

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  Prism, Right Angle (Without Coating) S21

  SURUGA SEIKI

  [Features]
  · Light is bent 90° using the total reflection of the sloped surface.
  · Can be used as a substrate for making a variety of optical elements.
  · The BK7 can be used for regions from the visible region to the infrared region. Synthetic quartz can be used for regions from the ultraviolet region to the infrared region.

  Days to Ship:	4 Day(s) or more

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  ND Filter (reflective type)

  SURUGA SEIKI

  A reflection type ND filter with a wide wavelength range. Formed with a metal film deposited on a glass substrate. Used for controlling the amount of light and for beam splitting, etc. There are seven types.

  Days to Ship:	6 Day(s) or more

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  ND Filter (Absorption Type)

  SURUGA SEIKI

  Absorbs light from each wavelength in the visible region in near equal proportions. Used for controlling the amount of incident light. There are five types.

  Days to Ship:	6 Day(s) or more

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  Wedge Circuit Board

  SURUGA SEIKI

  Can dissipate reflected light on the reverse side. Use as a calibration substrate for autocollimators.

  Days to Ship:	9 Day(s) or more

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  Sharp Cut Filter (Ultraviolet)

  SURUGA SEIKI

  A filter that absorbs light from wavelengths shorter than the given wavelength and transmits light with a longer wavelength.

  Days to Ship:	6 Day(s) or more

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  Sharp Cut Filter (Infrared)

  SURUGA SEIKI

  A filter that absorbs light from wavelengths shorter than the given wavelength and transmits light with a longer wavelength.

  Days to Ship:	6 Day(s) or more

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  Sharp Cut Filter (Near Infrared Region)

  SURUGA SEIKI

  [Features]
  · There are four types of color filters available for light from the ultraviolet to infrared regions: sharp cut filters (absorbs light from wavelengths shorter than the given wavelength and transmits light with longer wavelengths), heat ray absorption filters, ultraviolet-bandpass visible-absorption filters, and blue filters.

  Days to Ship:	6 Day(s) or more

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  Parallel mirror

  SURUGA SEIKI

  A mirror for autocollimator calibration. Used with vertical incidence (incident angle 0°).
  
  [Features]
  · A mirror for vertical incidence that is used in autocollimators.

  Days to Ship:	9 Day(s) or more

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  Pinhole (no bracket)

  SURUGA SEIKI

  A single pin hole plate unit without a pin hole frame.

  Days to Ship:	6 Day(s) or more

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  Both-side convex lens

  SURUGA SEIKI

  [Features]
  · A BK7 biconvex lens.
  · Used so that infinite light rays come from the curved side.
  · There is no type with anti-reflection film.
  · There is also a synthetic quartz lens type with high transmittance in the ultraviolet region.

  Days to Ship:	6 Day(s) or more

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  Biconcave Lens

  SURUGA SEIKI

  A BK7 biconcave lens made. Has a negative focal length and spreads light rays. Can make the focal length shorter in comparison to a plano-concave lens.

  Days to Ship:	6 Day(s) or more

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  Polarizing Plate

  SURUGA SEIKI

  [Features]
  · A polarizing plate is a polarizer that can obtain linearly polarized light by making use of the dichroism of polymers.
  · Structured with a polarizing film sandwiched by transparent plastic sheets.
  · The extinction ratio is lower in comparison to polarizers (Glan-Thompson, etc.) which make use of birefringence and they are not adequate for high precision measurements. However, they are extremely useful for simple optical experiments from the perspective of them offering excellent affordability.
  · The element does not contain a mark to indicate the transmission axis.

  Days to Ship:	6 Day(s) or more

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  Plano-convex lens

  SURUGA SEIKI

  A BK7 plano-convex lens. Used so that infinite light rays come from the curved side.

  Days to Ship:	4 Day(s) or more

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  Flat convex lens (Synthetic silica)

  SURUGA SEIKI

  A single lens made of synthetic quartz. There are two types available; plano-convex and biconvex.
  
  [Features]
  · A plano-convex lens made of synthetic quartz.
  · It has excellent characteristics in regards transmittance in the ultraviolet region.
  · There is no type with anti-reflection film.

  Days to Ship:	6 Day(s) or more

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  Flat concave lens

  SURUGA SEIKI

  A BK7 plano-concave lens. Has a negative focal length and spreads light rays.
  
  [Features]
  · A BK7 plano-concave lens.
  · Used so that infinite light rays come from the curved side.
  · There is no type with anti-reflection film.
  · There is also a synthetic quartz lens type with high transmittance in the ultraviolet region.

  Days to Ship:	6 Day(s) or more

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  Plane Mirror, Aluminum Total Reflection, S01-3T

  SURUGA SEIKI

  An aluminum total reflection mirror that achieves a high reflection level in the visible light region.

  Standard Price:	SGD 27.88-
  Days to Ship:	25 Day(s) or more

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  Broadband unpolarized beam splitter

  SURUGA SEIKI

  [Features]
  · A cube-type beam splitter that separates the amount of transmitted and reflected light at a ratio of 1: 1.
  · Uses a hybrid (metal/dielectric) coating to achieve a non-polarized broadband over a wide range.
  · Ideal for experiments that share two or three wavelengths.
  · The amount of transmitted and reflected light (at a 1: 1 ratio) will not change, even if the laser beam's polarization direction does. Cannot be used with high energy-use lasers as it has a maximum absorption of 10%.
  · The phase contrast​of the S-polarized light and P-polarized light for the transmitted and reflected light are not guaranteed.

  Days to Ship:	6 Day(s) or more

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  Diffuser panel

  SURUGA SEIKI

  [Features]
  · A diffuser plate is used for purposes such as preventing damage to measuring devices caused by powerful light from light sources, and for preventing imaging by lighting lenses.
  · The optical glass substrate is in a frosted-glass form and is used to diffuse light.
  · One of the sides has a mirror-finish.
  · The sand coarseness number differs depending on the roughness of the sand surface; the larger the number, the finer the surface roughness.

  Days to Ship:	6 Day(s) or more

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  Wave Plate

  SURUGA SEIKI

  A multi-order wave plate structured from a birefringence polymer sandwiched between two glass substrates. Ideal for basic polarized light experiments and experiments that do not require high levels of precision.
  
  [Features]
  · Ideal for basic polarized light experiments and experiments that do not require high levels of precision as they are more affordable than quartz crystal wave plates.
  · The birefringence of a wave plate varies depending on the wavelength of the light. Its phase contrast​also changes.
  · Therefore, there are some cases where the wavelength plate will not be effective in wavelengths other than the wavelength to be used.
  · An anti-reflection film for the wavelengths used has been applied on the front and the back surfaces of the wave plate.
  · Do not use in high temperature environments or with high energy lasers.
  · The phase contrast​may change due to changes in temperature.

  Days to Ship:	6 Day(s) or more

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  Heat ray absorbing filters

  SURUGA SEIKI

  A filter used for absorbing heat rays (infrared) generated by objects such as the lighting elements on slide projectors, etc. Transmits wavelengths in the visible region and cuts those in the infrared region.

  Days to Ship:	6 Day(s) or more

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  Ultraviolet transmitting visible absorption filter

  SURUGA SEIKI

  A filter that transmits light in the ultraviolet region and cuts that in the visible region. Transmits some light in the near infrared region.
  
  [Features]
  · There are four types of color filters available for light from the ultraviolet to infrared regions: sharp cut filters, heat ray absorption filters, ultraviolet-bandpass visible-absorption filters, and blue filters.

  Days to Ship:	6 Day(s) or more

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  Mirror, Dielectric Total Reflection

  SURUGA SEIKI

  [Features]
  · A dielectric multi-layered total reflection mirror in which films with different refractive indexes have been vacuum deposited on an optically polished glass substrate.
  · A high reflectance of 99% or greater can be obtained since there is no absorption by the film (compared with metal film reflection mirrors, such as aluminum types).
  · A high level of reflection is achieved regardless of the polarization state of the entered light, but it does depend on the wavelength and angle.

  Days to Ship:	6 Day(s) or more

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  Infrared Ray Cut filter

  SURUGA SEIKI

  Can be used for optical system constructions.

  Days to Ship:	4 Day(s) or more

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  Color Transparency Filter

  SURUGA SEIKI

  Can be used for optical system constructions.

  Days to Ship:	6 Day(s) or more

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  Mirror, High Accuracy Flat Aluminum Total Reflection

  SURUGA SEIKI

  A total reflection mirror in which aluminum is vacuum deposited on an optically polished substrate. Shows largely flat high reflection characteristics in the infrared region.

  Standard Price:	SGD 60.89-
  Days to Ship:	4 Day(s) or more

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