OptoSigma

Optics & Optical Coatings
Multi-Element Optics

The lens or a combination of these lenses found in this section will have limited applications compared with single spherical lens but very high performance can be achieved in a dedicated application.

Achromats

Achromatic doublets are cemented achromats made of two different lenses.

Near infrared achromatic lens

Focal length of 700mm, 880mm, 1100mm matches, it has been optimized that aberration is minimized.

Negative achromatic lens

It is achromatic lens having a negative focal length.

Reasonable achromatic lenes

It is a product with lower quality than DLB series with low surface spherical achromatic lens.

Achromatic cylindrical lens

Achromatic cylindrical lens

A single lens made by bonding two cylindrical surface lenses that wavelength dispersion of the refractive index is different, it is possible to cre...

Focusing Lenses

Visible Spectrum Achromats

Visible spectrum achromats are air spaced achromatic triplets or doublets for lasers in the visible spectrum or white light application. The elemen...

YAG Laser Focusing Lenses

YAG laser focusing lenses are air spaced triplets or doublets for YAG fundamentals.

Focusing Lenses for Fiber Laser

High performance multi-element lens. Suitable for focusing and collimating solid state lasers like Yb fiber laser, YAG laser and YVO4 la...

Protective Windows

Protective windows can be attached to the focusing lens to prevent shatter from laser fabrication.

Protective Window Holders

Protective windows holders can be attached to the focusing lens to prevent shatter from laser fabrication.

Excimer Laser Focusing Lenses

These lenses are manufactured with a synthetic fused silica material and it has a high transmittance value in the ultra-violet wavelength of 180 − ...

Ultra-violet Achromats

These lenses have different refractive index and produces a high degree of correction across a bandwidth of 200 − 400nm.

fθ Lenses

fθ Lenses

It is used for laser marking, bar code reader, laser micromachining and so on.

Objectives

3-Wavelengths Objective Lens

This objective lens can be used for laser machining using pulsed laser of SHG (532nm), THG (355nm), and FHG (266nm) of YAG laser.

Ultra-violet Objective Lenses

This objective lens can be used for laser machining using pulsed laser of THG (355nm), YAG laser or FHG (266nm) YAG.

Near Ultra-violet (NUV) Objective Lenses

This objective lens can be used for laser machining using pulsed laser of THG (355nm) YAG laser.

Long Working Distance Objective Lenses (45mm parfocal distance)

With its 45mm parfocal distance infinity correction function, this objective lens can be used for a laser system and coaxial observation.

Long Working Distance Objective Lenses (90mm parfocal distance)

With its 90mm parfocal distance infinity correction function, this objective lens can be used for a laser system and coaxial observation.

Infrared (NIR) Objective Lenses

This is a high NA infinity correction objective lens for laser processing (femtosecond laser and fundamental of YAG laser).

Microscope Objectives

These objectives are educational microscope objectives; they have the JIS standard.

Reflective Microscope Objectives Lenses

These reflective Microscope objective lenses offer an optimized chromatic aberration over a bandwidth of 350nm to 7um.

Objectives (Discontinued)

3-Wavelengths Objective Lens

This objective lens can be used for laser machining using pulsed laser of SHG (532nm), THG (355nm), and FHG (266nm) of YAG laser.

Ultra-violet Objective Lenses

This objective lens can be used for laser machining using pulsed laser of THG (355nm), YAG laser or FHG (266nm) YAG.

Long Working Distance Objective Lenses (90mm parfocal distance)

With its 90mm parfocal distance infinity correction function, this objective lens can be used for a laser system and coaxial observation.

Near Ultra-violet (NUV) Objective Lenses

This objective lens can be used for laser machining using pulsed laser of THG (355nm) YAG laser.

Infrared (NIR) Objective Lenses

This is a high NA infinity correction objective lens for laser processing (femtosecond laser and fundamental of YAG laser).

Expanders

This is an optical system for expanding a small collimated laser beam to a larger one.

Laser Beam Expanders With diopter correction function

Fine adjustment of the collimator is available using the diopter correction function.

Laser Beam Expanders

Beam expanders are useful laser accessories when the beam diameter must be increased.

High Power Laser Beam Expander

It is a laser beam expander corresponding to the high-power laser.

High-power zoom type laser beam expander

It is capable of 1× to 3× times changing high-power zoom Laser beam expander.

Others

Focus Tunable lens

It is the lens that is tunable from 45mm to 120mm focal length by an electrical control.

fθ Lenses for CO2 Lasers

It is the f theta lens for CO2 laser made by a single lens of zinc selenide (ZnSe).

Laser Beam Expanders for CO2 Lasers

This is a beam expander for CO2 Laser (wavelength : 10.6μm) made of zinc selenide (ZnSe) lens.

PICKUP PRODUCTS
These are low outgassing posts which are ideal for using in the high vacuum conditions.
High precision/high stiffness stages driven by AC servo motor.
These are low outgassing posts which are ideal for using in the high vacuum conditions.