Ceramic Laser Phosphor Converters

Smart thinking, premium materials and superior design have resulted in Ceramic Laser Phosphor Converters that operate with unrivalled performance.

Stable, tough, efficient and eco-friendly

Color gamut

Yellow and green ceramic phosphor material comprehensively covers the visible color spectrum. For selected applications, white phosphor ceramic is also available.

Reliability and long lifetime

SCHOTT Ceramic Laser Phosphor Converters offer long lifetime and stable operation. Pure inorganic phosphor solutions enable operations at high temperature levels and exhibit exceptional heat conductivity.

High luminance

SCHOTT technology ensures superior illuminance. High efficacy allows high contrast and high light output.

Variable formats

SCHOTT Ceramic Laser Phosphor Converters are available in various formats such as rings, dies, different colors and different heat sink types for dynamic & static solutions.
Dynamic Solutions


For dynamic ceramic converter solutions we offer yellow and green phosphor material with following material properties:

  Yellow
Green
Phosphor conversion efficacy (lm/W) 325 ± 15 330 ± 20
Emission color coordinates (cx)  0.417 ± 0.005   0.337 ± 0.005
Emission color coordinates (cy)   0.560 ± 0.005  0.591 ± 0.005
Thermal quenching stability @ 170°C   > 89%   > 92%
Temperature damage threshold   > 250°C   > 250°C
Thermal conductivity in temp. range from 25°C to 200°C (W/m-K)  5-10 data on request
More data and detailed information are available in the brochure in the download section.

 

Our dynamic solutions are available in different geometries:

  OD88 OD64 OD49 OD35
Outer diameter (mm) 88  64 49  35 
Inner diameter (mm) 74  50  35 25
Thickness (mm) 0.2 0.2 0.2 0.2 
Shape O ring  Available  Available   Available  Available  
Shape C ring (angle)  300°/310°  300°/310°   300°/310°   300°/310° 
Shape Segment On demand On demand On demand On demand

 

 

SCHOTT offers a range of dynamic solutions with different emission colors. Details of emission color coordinates can be find on the datasheet in the download section or in the graphic below:

 

Color coordinates of yellow and green Ceramic Converter material in the 1931/2° color space. 

Ceramic Converter Dynamic Solution Emission Colors

 

Emission spectrum of yellow and green converter material.

Ceramic Converter Dynamic Solution Emission Spectrum

 

 

Static Solutions for Digital Projection
 

For static ceramic converter solutions suitable for digital projection we offer yellow and green phosphor material with following material properties:

100 µm die thickness Yellow SYB35 Green SGA35
Phosphor conversion efficacy (lm/W)
> 280 > 280
Emission color coordinates (cx) 0.417 ± 0.01 0.333 ± 0.01
Emission color coordinates (cy) 0.557 ± 0.01  0.590 ± 0.01 *
Irradiance limit (W/mm2) - Typical value 50 50 
* For 150 µm die thickness emission color coordinate (cy) is 0.588 ± 0.01.

More data and detailed information are available in the brochure in the download section.

 

Our static solutions are available in following geometries:

Heat spreader dimension (W x L x T in mm)

  • 20 x 20 x 4

Phosphor material dimension (W x L x T in mm)

  • 4 x 4 x 0.150
  • 4 x 4 x 0.100

Customized formats and detailed drawings are possible on request.

 

How does this solution work for green or yellow light?

Ceramic Converter Static Solution Emission Spectrum for Green and Yellow

The blue laser light applied via a dichroic mirror blocks residual blue light, that is reflected from the sample.

Ceramic Converter Static Solution Graphic

 

 

Color coordinates of green and yellow ceramic converter material in the CIE 1931/2° color space.

Ceramic Converter Static - Colors Coordinates - Green & Yellow

Static Solutions for Illumination

White light is the next generation of design. We offer three types of white static converter materials for correlated color temperatures (CCT) of 6,000 K and 5,000 K each to suit a wide range of applications. 

White 6,000 K

150 µm die thickness White SWA40 White RWA45 White RWB50
Phosphor conversion efficacy (lm/W)
> 240 > 230 > 220
Emission color coordinates (cx) 0.4078  0.4155  0.4223
Emission color coordinates (cy) 0.5615  0.5565  0.5521
White color coordinates (cx) 0.3195  0.3204  0.3210
White color coordinates (cy)  0.3699  0.3580  0.3479
Emission color coordinates (u’)  0.18282  0.18784  0.19238
Emission color coordinates (v’)  0.56638 0.56612 0.56590
White color coordinates (u’)  0.18798  0.19255 0.19659
White color coordinates (v’)  0.32639  0.32274  0.31952
Irradiance limit – Typical value (W/mm2)  83  59 52

 

White 5,000 K

150 µm die thickness White SWD50 White RWP55 White RWQ60
Phosphor conversion efficacy (lm/W)
> 260 > 250 > 240
Emission color coordinates (cx) 0.4142  0.4229  0.4287
Emission color coordinates (cy) 0.5598  0.5533  0.5490
White color coordinates (cx) 0.3520  0.3500  0.3488
White color coordinates (cy)  0.4286  0.4063  0.3926
Emission color coordinates (u’)  0.18640  0.19237  0.19642
Emission color coordinates (v’)  0.56677 0.56627  0.56594 
White color coordinates (u’)  0.18930  0.19512 0.19895 
White color coordinates (v’)  0.51851  0.50961  0.50378
Irradiance limit – Typical value (W/mm2)  55  40 37

Tolerance window for white color coordinates (cx;cy) / (u’;v’) for download in the download section.

More data and detailed information are also available in the brochure in the download section. 


Our static solutions are available in following geometries:

Heat spreader dimension (W x L x T in mm)

  • 20 x 20 x 4

Phosphor material dimension (W x L x T in mm)

  • 4 x 4 x 0.150

Customized formats are possible on request.

 

How does this solution work for white light?

To meet the desired color coordinates, the material is designed for diffuse reflection of just the right portion of blue light.

Ceramic Converter Static Solution Graphic

  

 

Color coordinates of white ceramic converter material in the CIE 1931/2° color space.

Ceramic Converter Static - Color Coordinates - WhiteCeramic Converter Static - Color Coordinates - White - Zoom

Want to know more? Let's talk

Whether you need more information, samples, a quote, or advice for a project, we would be delighted to talk to you.

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