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Broadband Polarizing Cube Beamsplitters

Beamsplitter Cubes are constructed by cemented two right angle prisms. The hypotenuse of one prism is coated with polarization dielectric coating.

product origin:
China
shipping port:
Fuzhou China
lead time:
4 working weeks
payment:
T/T Payment, Western Union

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description

Compared with beamsplitter plate, beamsplitter cube has the following advantages:

* Identical path length for both the reflected and the transmitted beams

* The transmitted beam is neither displaced nor deflected

* Stable and compact

* Easy operation

* Easy for mounting/aligning

Specifications:

Material: N-BK7 Grade A Optical Glass

Dimension Tolerance: +/-0.1mm

Flatness： λ/4@633nm

Beam deviation: 3 arc min

Surface Quality: 60-40

Clear aperture： >90%

Front surface (S1): Partial reflective coating

Back surface (S2): AR coating

Bevel: Protective

Standard Coating:T/R=50/50±5%, for random polarization ;
T=（Ts+Tp)/2,R=(Rs+Rp)/2

Standard Wavelength(nm)	Narrow Band	488, 532, 632.8, 650, 808, 850, 980, 1064, 1310, 1550nm
	Broadband	450-650, 650-900, 900-1200, 1200-1550, 1500-1610nm
Size (mm)	2.1x2.1x2.1		3.2x3.2x3.2	5x5x5	10x10x10
	12.7x12.7x12.7		20x20x20	25.4x25.4x25.4	30x30x30

Note: Other sizes, split ratio and coating are available upon request.

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Our beamsplitter plates can be used in high power laser system. When using beamsplitter plates, it is important to make it in mind that the two partial beams travel in different optical paths. The optical paths depend on the incident angle and the thickness of plates.

Non-Polarizing Cube Beamsplitters (NPBS)

Non-Polarizing Cube Beamsplitters also called NPBS Cube is a more sophisticated type consisting of two right- angle prisms cemented together at their hypotenuse faces.The cemented face of one prism is coated. Before cementing, with a metallic or dielectric layer having the desired reflecting properties, both in the percentage of reflection and the desired color. The absorption loss to the coating is minimal and transmission and reflection could be designed to 10%, 20%, 30%, 40%, 50%, etc.

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When used with normal incident, un-polarized light, the incident beam is separated into two polarized beams, p-polarized component is passed straight through, s-polarized component is reflected out at 90deg.

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Model		UN-TFA1620X-12MP
Focal length		16mm
Aperture		F2.0-F22
Image Format		4/3″(23mm)
Mount		C
Field Angle D x H x V (°)		4/3″	1″	1/2"
	D	73.0°	54.2°	28.3°
	H	61.0°	44.3°	22.7°
	V	47.3°	33.6°	17.1°
Optical Distortion		-1.93%@ y=11.5mm	-1.82%@ y=8.0mm	-0.55%@ y=4.0mm


M. O. D.		0.1m
Dimension		Φ60.2*85.9mm
Back Focal Length		21mm
Design Wavelength		420~1000nm
Operation		Manual Iris
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Filter Thread		M58.0×P0.75
Weight		339g
Work Temperature		-20℃～+60℃

UN-TFA1220X-12MP

Taurus Series 4/3″Format FA Lens(12MP)
Model		UN-TFA1220X-12MP
Focal length		12mm
Aperture		F2.0-F22
Image Format		4/3″(23mm)
Mount		C
Field Angle D x H x V (°)		4/3″	1″	1/2"
	D	89.1°	69.0°	37.4°
	H	75.6°	57.36°	30.2°
	V	61.2°	44.3°	22.7°
Optical Distortion		-2.05%@ y=11.5mm	-1.73%@ y=8.0mm	-1.01%@ y=4.0mm
M. O. D.		0.15m
Dimension		Φ79.8*83.8mm
Back Focal Length		18.8mm
Operation		Manual Iris
		Manual Focus
Design Wavelength		420~1000nm
Filter Thread		M77.0×P0.75
Weight		438g
Work Temperature		-20℃～+60℃

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UN-TFA0614C

Product Features:

1. Compatible for 2/3'' Format Sensor

2. Ultra-compact Design

3. Ultra Low Distortion

4. High Relative Illumination

5. High Cost Performance

6. Supply with Focus and Iris locking screws.

Product information: Custom designs are available upon request.

Download the datasheet of UN-TFA0614C

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N-BK7 metallic coated mirror

1、What Metallic Coated types can Uni-Optics supply?

Uni-Optics mainly offers four coating types, including:

1) UV Enhanced Aluminum : Ravg > 85% from 250nm to 400nm

2) Protected Aluminum: Ravg > 87% from 400nm to 800nm

3) Protected Silver: Ravg > 95% from 400nm to 20um

4) Protected Gold: Ravg > 98% from 650nm to 16um

2、What are the features of Metallic coated mirror?

Metallic coated mirror have many key features below:

Wide spectral range

Not sensitive to the incidence angle and polarization state

Low cost

Non-durable

Relatively low reflectance

Low laser damage threshold

3、What UNI Optics can do for you?

Common Specifications:

Substrate Materials: N-BK7, Fused silica, Pyrex；Float glass

Dimensional tolerance: +/-0.1mm

Surface quality: 60-40

Parallelism: 3’

Flatness: λ/4 per 25mm@633nm

Bevel: Protective

One surface: Polished and Metallic coating

The other surface: Fine ground

Note: Aluminum is the most widely used metal reflection film, from near UV to near IR, have high reflectivity, and with low cost. Silver has higher reflectivity in the visible and near infrared wavelength than the aluminum film, but the silver in the air will be rapid oxidation, color darkening, makes the film performance and firmness declined rapidly. Gold film has a good consistency with high reflectivity in the near, middle and far infrared range, can control the thermal radiation effectively, but it is relatively soft, easy bruising, and should be paid very close attention to clean, and the cost is very high.

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